[ 46.044345] ------------[ cut here ]------------ [ 46.044958] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.046591] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 46.047552] Modules linked in: [ 46.047962] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.049284] Tainted: [W]=WARN [ 46.049644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.050620] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.051236] 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 [ 46.053289] RSP: 0018:ffff888013e8fbc0 EFLAGS: 00010286 [ 46.053926] RAX: 0000000000000000 RBX: ffffed10027d1f78 RCX: ffffffff813a4050 [ 46.054761] RDX: ffff88800abe8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.055574] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027d1f2f [ 46.056408] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.057244] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013e8fdf8 [ 46.058113] FS: 00007fbeef8bd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.059085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.059803] CR2: 00007ffd9c57def8 CR3: 000000000dfeb000 CR4: 0000000000350ef0 [ 46.060623] Call Trace: [ 46.060959] [ 46.061235] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.061831] ? __create_object+0x59/0x80 [ 46.062323] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.062968] __vmalloc_noprof+0x59/0x60 [ 46.063452] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.064026] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.064620] bpf_prog_alloc+0x39/0x200 [ 46.065110] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.065735] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.066309] do_seccomp+0x349/0x25e0 [ 46.066791] ? find_held_lock+0x2b/0x80 [ 46.067281] ? do_prlimit+0x310/0x610 [ 46.067782] ? __pfx_do_seccomp+0x10/0x10 [ 46.068277] ? do_raw_spin_unlock+0x53/0x220 [ 46.068834] ? _raw_spin_unlock+0x1e/0x40 [ 46.069332] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.069992] ? static_key_count+0x60/0x80 [ 46.070501] prctl_set_seccomp+0x4e/0x70 [ 46.071011] __do_sys_prctl+0xe6c/0x1d70 [ 46.071503] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.072066] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.072676] ? irqentry_exit+0xf3/0x650 [ 46.073172] do_syscall_64+0xbf/0x430 [ 46.073627] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.074246] RIP: 0033:0x7fbeefdaf5cd [ 46.074679] 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 [ 46.076806] RSP: 002b:00007ffd9c57be40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.077675] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbeefdaf5cd [ 46.078532] RDX: 0000560afd630e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.079398] RBP: 00007ffd9c57bea0 R08: 0000000000000000 R09: 00007ffd9c57b540 [ 46.080249] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560afd7f5ad0 [ 46.081110] R13: 00007ffd9c57c2d0 R14: 0000560afd7f6bc0 R15: 0000560afd807780 [ 46.081978] [ 46.082261] irq event stamp: 2067 [ 46.082658] hardirqs last enabled at (2075): [] __up_console_sem+0x78/0x80 [ 46.083664] hardirqs last disabled at (2084): [] __up_console_sem+0x5d/0x80 [ 46.084677] softirqs last enabled at (2046): [] handle_softirqs+0x50c/0x770 [ 46.085685] softirqs last disabled at (2031): [] __irq_exit_rcu+0xc4/0x100 [ 46.086687] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 48.594437] ------------[ cut here ]------------ [ 48.595362] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.597387] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 48.599000] Modules linked in: [ 48.599610] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.601596] Tainted: [W]=WARN [ 48.602191] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.603689] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.604618] 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 [ 48.607792] RSP: 0018:ffff888015aefbc0 EFLAGS: 00010286 [ 48.608798] RAX: 0000000000000000 RBX: ffffed1002b5df78 RCX: ffffffff813a4050 [ 48.610103] RDX: ffff888015c6d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.611407] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b5df2f [ 48.612722] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.614020] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015aefdf8 [ 48.615330] FS: 00007fa37d990900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.616769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.617831] CR2: 00007fffc2d07ef8 CR3: 000000001f5cb000 CR4: 0000000000350ef0 [ 48.619120] Call Trace: [ 48.619605] [ 48.620065] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.620979] ? __create_object+0x59/0x80 [ 48.621776] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.622749] __vmalloc_noprof+0x59/0x60 [ 48.623473] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.624360] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.625298] bpf_prog_alloc+0x39/0x200 [ 48.626043] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.626998] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.627924] do_seccomp+0x349/0x25e0 [ 48.628601] ? find_held_lock+0x2b/0x80 [ 48.629349] ? do_prlimit+0x310/0x610 [ 48.630092] ? __pfx_do_seccomp+0x10/0x10 [ 48.630889] ? do_raw_spin_unlock+0x53/0x220 [ 48.631751] ? _raw_spin_unlock+0x1e/0x40 [ 48.632482] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.633437] ? static_key_count+0x60/0x80 [ 48.634245] prctl_set_seccomp+0x4e/0x70 [ 48.635019] __do_sys_prctl+0xe6c/0x1d70 [ 48.635827] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.636640] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.637610] ? irqentry_exit+0xf3/0x650 [ 48.638383] do_syscall_64+0xbf/0x430 [ 48.639129] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.640110] RIP: 0033:0x7fa37de825cd [ 48.640819] 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 [ 48.644012] RSP: 002b:00007fffc2d06ab0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.645390] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa37de825cd [ 48.646693] RDX: 0000555e025c5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.648035] RBP: 00007fffc2d06b10 R08: 0000000000000000 R09: 00007fffc2d061b0 [ 48.649328] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555e2d8e3ad0 [ 48.650618] R13: 00007fffc2d06f40 R14: 0000555e2d8e4bc0 R15: 0000555e2d8f5780 [ 48.651952] [ 48.652383] irq event stamp: 1773 [ 48.653036] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 48.654594] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 48.656076] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 48.657062] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 48.658044] ---[ end trace 0000000000000000 ]--- [ 49.370376] ------------[ cut here ]------------ [ 49.370969] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.372234] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.373149] Modules linked in: [ 49.373524] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.374768] Tainted: [W]=WARN [ 49.375133] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.376081] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.376631] 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 [ 49.378633] RSP: 0018:ffff888016b0fbc0 EFLAGS: 00010286 [ 49.379261] RAX: 0000000000000000 RBX: ffffed1002d61f78 RCX: ffffffff813a4050 [ 49.380143] RDX: ffff888015c68000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.380963] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d61f2f [ 49.381791] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.382571] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b0fdf8 [ 49.383399] FS: 00007f8348b5c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.384311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.384994] CR2: 00007ffeb0a78ef8 CR3: 000000000c373000 CR4: 0000000000350ef0 [ 49.385820] Call Trace: [ 49.386115] [ 49.386374] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.386935] ? __create_object+0x59/0x80 [ 49.387412] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.388034] __vmalloc_noprof+0x59/0x60 [ 49.388492] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.389052] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.389612] bpf_prog_alloc+0x39/0x200 [ 49.390079] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.390635] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.391207] do_seccomp+0x349/0x25e0 [ 49.391646] ? find_held_lock+0x2b/0x80 [ 49.392119] ? do_prlimit+0x310/0x610 [ 49.392560] ? __pfx_do_seccomp+0x10/0x10 [ 49.393058] ? do_raw_spin_unlock+0x53/0x220 [ 49.393555] ? _raw_spin_unlock+0x1e/0x40 [ 49.394051] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.394633] ? static_key_count+0x60/0x80 [ 49.395140] prctl_set_seccomp+0x4e/0x70 [ 49.395610] __do_sys_prctl+0xe6c/0x1d70 [ 49.396102] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.396622] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.397235] ? irqentry_exit+0xf3/0x650 [ 49.397726] do_syscall_64+0xbf/0x430 [ 49.398168] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.398768] RIP: 0033:0x7f834904e5cd [ 49.399182] 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 [ 49.401194] RSP: 002b:00007ffeb0a764d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.402071] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f834904e5cd [ 49.402879] RDX: 000055d956413e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.403665] RBP: 00007ffeb0a76530 R08: 0000000000000000 R09: 00007ffeb0a75bd0 [ 49.404485] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d98aaf2ad0 [ 49.405300] R13: 00007ffeb0a76960 R14: 000055d98aaf3bc0 R15: 000055d98ab04780 [ 49.406124] [ 49.406394] irq event stamp: 1737 [ 49.406806] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 49.407784] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 49.408758] softirqs last enabled at (1342): [] handle_softirqs+0x50c/0x770 [ 49.409744] softirqs last disabled at (1325): [] __irq_exit_rcu+0xc4/0x100 [ 49.410677] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:11585' (ECDSA) to the list of known hosts. 2025/11/18 13:48:17 fuzzer started 2025/11/18 13:48:18 dialing manager at localhost:34383 2025/11/18 13:48:18 checking machine... 2025/11/18 13:48:18 checking revisions... [ 50.206643] kmemleak: Automatic memory scanning thread ended 2025/11/18 13:48:18 testing simple program... [ 50.296610] cgroup: Unknown subsys name 'net' [ 50.357234] cgroup: Unknown subsys name 'cpuset' [ 50.370268] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 13:48:17 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888015c69bc0 RCX=ffff88801a147770 RDX=0000000000000000 RSI=1ffff11003428edc RDI=ffff888015c69fbc RBP=ffff88801a147728 RSP=ffff88801a1475f8 R8 =0000000000000000 R9 =0000000000000000 R10=ffff88801a1476d0 R11=0000000000000001 R12=0000000000000000 R13=ffff88801a147718 R14=ffff88801a147718 R15=ffff88801a1476d0 RIP=ffffffff815bd72a RFL=00000213 [----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 00007fa37d990900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa37d96f020 CR3=000000001f5c6000 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=38343a333120383120766f4e3e38333c XMM01=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3034325b646873732037313a3834 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363430 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=865ab3ee8e86ce00 RBX=ffffffff81619130 RCX=0000000000000000 RDX=ffff888016bed340 RSI=ffff88806cf08b38 RDI=ffffffff81619130 RBP=ffff88806cf08b08 RSP=ffff88806cf08a70 R8 =0000000000000003 R9 =0000000000000005 R10=ffffed10016ea425 R11=0000000000000001 R12=ffff88806cf08b38 R13=0000000000000000 R14=ffff888016bed340 R15=ffff888008c4b780 RIP=ffffffff812dfb87 RFL=00000282 [--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 00007f4e7a48b700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f41b1567168 CR3=000000000df14000 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=2037313a38343a333120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037313a38343a3331203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000