[ 39.482856] ------------[ cut here ]------------ [ 39.483768] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.485808] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.487253] Modules linked in: [ 39.487903] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.490223] Tainted: [W]=WARN [ 39.491008] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.492658] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.493611] 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 [ 39.497111] RSP: 0018:ffff888013f9fbc0 EFLAGS: 00010286 [ 39.498182] RAX: 0000000000000000 RBX: ffffed10027f3f78 RCX: ffffffff813a4050 [ 39.499579] RDX: ffff8880196b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.500989] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027f3f2f [ 39.502389] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.503789] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013f9fdf8 [ 39.505215] FS: 00007fbfb01e6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.506783] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.507952] CR2: 00007fbfb06d8580 CR3: 000000000d428000 CR4: 0000000000350ef0 [ 39.509361] Call Trace: [ 39.509911] [ 39.510363] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.511342] ? __create_object+0x59/0x80 [ 39.512213] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.513276] __vmalloc_noprof+0x59/0x60 [ 39.514107] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.515056] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.516073] bpf_prog_alloc+0x39/0x200 [ 39.516879] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.517883] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.518863] do_seccomp+0x349/0x25e0 [ 39.519597] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.520587] ? __pfx_do_seccomp+0x10/0x10 [ 39.521447] ? find_held_lock+0x2b/0x80 [ 39.522272] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.523326] ? static_key_count+0x60/0x80 [ 39.524211] prctl_set_seccomp+0x4e/0x70 [ 39.525059] __do_sys_prctl+0xe6c/0x1d70 [ 39.525910] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.526838] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.527901] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.528960] ? irqentry_exit+0xf3/0x650 [ 39.529796] do_syscall_64+0xbf/0x430 [ 39.530555] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.531588] RIP: 0033:0x7fbfb06d85cd [ 39.532366] 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 [ 39.535863] RSP: 002b:00007ffcaa758600 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.537346] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbfb06d85cd [ 39.538748] RDX: 000055935b1b4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.540165] RBP: 00007ffcaa758660 R08: 0000000000000000 R09: 00007ffcaa757d00 [ 39.541504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559391d66240 [ 39.542688] R13: 00007ffcaa758a90 R14: 0000559391d65bf0 R15: 0000559391d7a4d0 [ 39.543907] [ 39.544299] irq event stamp: 1795 [ 39.544908] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 39.546315] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 39.547735] softirqs last enabled at (1718): [] handle_softirqs+0x50c/0x770 [ 39.549180] softirqs last disabled at (1713): [] __irq_exit_rcu+0xc4/0x100 [ 39.550588] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 43.123249] ------------[ cut here ]------------ [ 43.124072] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.125749] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 43.126955] Modules linked in: [ 43.127443] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.129129] Tainted: [W]=WARN [ 43.129596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.130811] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.131533] 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 [ 43.134204] RSP: 0018:ffff888015b2fbc0 EFLAGS: 00010286 [ 43.135149] RAX: 0000000000000000 RBX: ffffed1002b65f78 RCX: ffffffff813a4050 [ 43.136237] RDX: ffff8880196e0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.137303] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b65f2f [ 43.138356] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.139495] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015b2fdf8 [ 43.140602] FS: 00007f7654cb5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.141805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.142688] CR2: 00007f76551a7580 CR3: 000000001f854000 CR4: 0000000000350ef0 [ 43.143763] Call Trace: [ 43.144175] [ 43.144525] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.145280] ? __create_object+0x59/0x80 [ 43.145931] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.146741] __vmalloc_noprof+0x59/0x60 [ 43.147344] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.148099] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.148874] bpf_prog_alloc+0x39/0x200 [ 43.149462] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.150238] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.150984] do_seccomp+0x349/0x25e0 [ 43.151544] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.152326] ? __pfx_do_seccomp+0x10/0x10 [ 43.152972] ? find_held_lock+0x2b/0x80 [ 43.153576] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.154394] ? static_key_count+0x60/0x80 [ 43.155054] prctl_set_seccomp+0x4e/0x70 [ 43.155701] __do_sys_prctl+0xe6c/0x1d70 [ 43.156347] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.157067] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.157870] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.158680] ? irqentry_exit+0xf3/0x650 [ 43.159271] do_syscall_64+0xbf/0x430 [ 43.159910] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.160726] RIP: 0033:0x7f76551a75cd [ 43.161282] 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 [ 43.163965] RSP: 002b:00007ffdd48cc4c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.165129] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f76551a75cd [ 43.166210] RDX: 0000562224f4ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.167285] RBP: 00007ffdd48cc520 R08: 0000000000000000 R09: 00007ffdd48cbbc0 [ 43.168375] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562228bb22b0 [ 43.169456] R13: 00007ffdd48cc950 R14: 0000562228bb4d20 R15: 0000562228bc68d0 [ 43.170562] [ 43.170956] irq event stamp: 1773 [ 43.171468] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 43.172776] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 43.174072] softirqs last enabled at (1798): [] handle_softirqs+0x50c/0x770 [ 43.175346] softirqs last disabled at (1789): [] __irq_exit_rcu+0xc4/0x100 [ 43.176667] ---[ end trace 0000000000000000 ]--- [ 44.007938] ------------[ cut here ]------------ [ 44.008858] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 44.010860] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 44.012325] Modules linked in: [ 44.012960] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 44.014915] Tainted: [W]=WARN [ 44.015469] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 44.016930] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 44.017838] 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 [ 44.021022] RSP: 0018:ffff888013f8fbc0 EFLAGS: 00010286 [ 44.021998] RAX: 0000000000000000 RBX: ffffed10027f1f78 RCX: ffffffff813a4050 [ 44.023291] RDX: ffff8880196e1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 44.024585] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027f1f2f [ 44.025864] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 44.027155] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013f8fdf8 [ 44.028459] FS: 00007f3c7021d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 44.029896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.030957] CR2: 00007ffdd5832ef8 CR3: 000000001fa83000 CR4: 0000000000350ef0 [ 44.032255] Call Trace: [ 44.032763] [ 44.033179] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 44.034092] ? __create_object+0x59/0x80 [ 44.034871] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 44.035869] __vmalloc_noprof+0x59/0x60 [ 44.036605] bpf_prog_alloc_no_stats+0x55/0x470 [ 44.037494] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.038431] bpf_prog_alloc+0x39/0x200 [ 44.039180] ? __pfx_seccomp_check_filter+0x10/0x10 [ 44.040140] bpf_prog_create_from_user+0xb2/0x2f0 [ 44.041060] do_seccomp+0x349/0x25e0 [ 44.041781] ? find_held_lock+0x2b/0x80 [ 44.042499] ? do_prlimit+0x310/0x610 [ 44.043248] ? __pfx_do_seccomp+0x10/0x10 [ 44.044058] ? do_raw_spin_unlock+0x53/0x220 [ 44.044899] ? _raw_spin_unlock+0x1e/0x40 [ 44.045694] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 44.046619] ? static_key_count+0x60/0x80 [ 44.047431] prctl_set_seccomp+0x4e/0x70 [ 44.048221] __do_sys_prctl+0xe6c/0x1d70 [ 44.049026] ? __pfx___do_sys_prctl+0x10/0x10 [ 44.049901] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 44.050882] ? irqentry_exit+0xf3/0x650 [ 44.051607] do_syscall_64+0xbf/0x430 [ 44.052351] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 44.053319] RIP: 0033:0x7f3c7070f5cd [ 44.054028] 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 [ 44.057210] RSP: 002b:00007ffdd58318c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 44.058584] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c7070f5cd [ 44.059868] RDX: 0000563b6191ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 44.061179] RBP: 00007ffdd5831920 R08: 0000000000000000 R09: 00007ffdd5830fc0 [ 44.062475] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b9b25f2b0 [ 44.063767] R13: 00007ffdd5831d50 R14: 0000563b9b261d20 R15: 0000563b9b2738d0 [ 44.065084] [ 44.065522] irq event stamp: 3989 [ 44.066175] hardirqs last enabled at (3999): [] __up_console_sem+0x78/0x80 [ 44.067718] hardirqs last disabled at (4008): [] __up_console_sem+0x5d/0x80 [ 44.069248] softirqs last enabled at (3948): [] handle_softirqs+0x50c/0x770 [ 44.070805] softirqs last disabled at (3943): [] __irq_exit_rcu+0xc4/0x100 [ 44.072329] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:12020' (ECDSA) to the list of known hosts. 2025/11/18 22:09:05 fuzzer started 2025/11/18 22:09:05 dialing manager at localhost:34383 2025/11/18 22:09:05 checking machine... 2025/11/18 22:09:05 checking revisions... [ 44.963262] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:09:05 testing simple program... [ 45.046324] cgroup: Unknown subsys name 'net' [ 45.110771] cgroup: Unknown subsys name 'cpuset' [ 45.130180] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 22:09:04 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000048 RCX=ffffffff83d6f150 RDX=ffff8880165e0000 RSI=0000000000000011 RDI=0000000000000005 RBP=0000000000000049 RSP=ffff88801a12f670 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000048 R11=0000000000000001 R12=0000000000000001 R13=ffffffff8899f6e0 R14=0000000000000000 R15=0000000000000006 RIP=ffffffff81751e00 RFL=00000202 [-------] 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 00007f7654cb5900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f765526c618 CR3=000000000e168000 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=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 info registers vcpu 1 RAX=ffff888013ffb780 RBX=0000000000000100 RCX=ffffffff81766fc5 RDX=ffff888013ffb780 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff8880173c2400 RSP=ffff8880154afdc0 R8 =0000000000000000 R9 =ffffed1002e78486 R10=0000000000000000 R11=0000000000000000 R12=ffffffffffffffff R13=ffff8880173c2410 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81766fd5 RFL=00000246 [---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 00007f94ce281900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffde3545748 CR3=000000000e465000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d11dba178d816a9300000000000ae988 XMM05=7e03f46266385e480000000000321cc8 XMM06=090f1556b20111b300000000003206a8 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000