[ 47.026073] ------------[ cut here ]------------ [ 47.027090] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 47.029863] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 47.032693] Modules linked in: [ 47.033327] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 47.035443] Tainted: [W]=WARN [ 47.036119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.037696] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 47.038682] 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 [ 47.042075] RSP: 0018:ffff88800a447bc0 EFLAGS: 00010286 [ 47.043120] RAX: 0000000000000000 RBX: ffffed1001488f78 RCX: ffffffff813a4050 [ 47.044522] RDX: ffff888019e99bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 47.045885] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001488f2f [ 47.047245] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 47.048659] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a447df8 [ 47.050027] FS: 00007fcfd870f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 47.051559] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.052752] CR2: 00007fff0bdbdef7 CR3: 000000000a04f000 CR4: 0000000000350ef0 [ 47.054118] Call Trace: [ 47.054659] [ 47.055091] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 47.056065] ? __create_object+0x59/0x80 [ 47.056919] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 47.057969] __vmalloc_noprof+0x59/0x60 [ 47.058784] bpf_prog_alloc_no_stats+0x55/0x470 [ 47.059740] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.060753] bpf_prog_alloc+0x39/0x200 [ 47.061514] ? __pfx_seccomp_check_filter+0x10/0x10 [ 47.062518] bpf_prog_create_from_user+0xb2/0x2f0 [ 47.063498] do_seccomp+0x349/0x25e0 [ 47.064263] ? find_held_lock+0x2b/0x80 [ 47.065100] ? do_prlimit+0x310/0x610 [ 47.065899] ? __pfx_do_seccomp+0x10/0x10 [ 47.066757] ? do_raw_spin_unlock+0x53/0x220 [ 47.067667] ? _raw_spin_unlock+0x1e/0x40 [ 47.068458] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 47.069491] ? static_key_count+0x60/0x80 [ 47.070336] prctl_set_seccomp+0x4e/0x70 [ 47.071179] __do_sys_prctl+0xe6c/0x1d70 [ 47.072046] ? __pfx___do_sys_prctl+0x10/0x10 [ 47.072976] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 47.074016] ? irqentry_exit+0xf3/0x650 [ 47.074858] do_syscall_64+0xbf/0x430 [ 47.075689] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 47.076730] RIP: 0033:0x7fcfd8c015cd [ 47.077424] 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 [ 47.080780] RSP: 002b:00007fff0bdbc0c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 47.081990] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcfd8c015cd [ 47.083134] RDX: 00005645c9c05e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 47.084286] RBP: 00007fff0bdbc120 R08: 0000000000000000 R09: 00007fff0bdbb7c0 [ 47.085439] R10: 0000000000000000 R11: 0000000000000246 R12: 00005645f5f28240 [ 47.086609] R13: 00007fff0bdbc550 R14: 00005645f5f27bf0 R15: 00005645f5f3c4d0 [ 47.087783] [ 47.088154] irq event stamp: 2041 [ 47.088752] hardirqs last enabled at (2051): [] __up_console_sem+0x78/0x80 [ 47.090097] hardirqs last disabled at (2060): [] __up_console_sem+0x5d/0x80 [ 47.091468] softirqs last enabled at (1962): [] handle_softirqs+0x50c/0x770 [ 47.092842] softirqs last disabled at (1947): [] __irq_exit_rcu+0xc4/0x100 [ 47.094191] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.053372] ------------[ cut here ]------------ [ 50.054579] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.056764] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 50.058223] Modules linked in: [ 50.058859] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.060868] Tainted: [W]=WARN [ 50.061426] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.062899] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.063826] 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 [ 50.067228] RSP: 0018:ffff888019c2fbc0 EFLAGS: 00010286 [ 50.068218] RAX: 0000000000000000 RBX: ffffed1003385f78 RCX: ffffffff813a4050 [ 50.069481] RDX: ffff88801897d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.070718] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003385f2f [ 50.071972] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.073240] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c2fdf8 [ 50.074505] FS: 00007f8c90cff900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.075934] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.076970] CR2: 00007fffa6304ef7 CR3: 000000000de71000 CR4: 0000000000350ef0 [ 50.078238] Call Trace: [ 50.078733] [ 50.079151] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.080034] ? __create_object+0x59/0x80 [ 50.080803] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.081771] __vmalloc_noprof+0x59/0x60 [ 50.082618] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.083436] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.084687] bpf_prog_alloc+0x39/0x200 [ 50.085389] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.086307] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.087223] do_seccomp+0x349/0x25e0 [ 50.087960] ? find_held_lock+0x2b/0x80 [ 50.088850] ? do_prlimit+0x310/0x610 [ 50.089570] ? __pfx_do_seccomp+0x10/0x10 [ 50.090430] ? do_raw_spin_unlock+0x53/0x220 [ 50.091260] ? _raw_spin_unlock+0x1e/0x40 [ 50.092047] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.092980] ? static_key_count+0x60/0x80 [ 50.093750] prctl_set_seccomp+0x4e/0x70 [ 50.094484] __do_sys_prctl+0xe6c/0x1d70 [ 50.095238] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.096086] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.096903] ? irqentry_exit+0xf3/0x650 [ 50.097510] do_syscall_64+0xbf/0x430 [ 50.098135] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.098928] RIP: 0033:0x7f8c911f15cd [ 50.099489] 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 [ 50.102324] RSP: 002b:00007fffa6302dc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.103500] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8c911f15cd [ 50.104602] RDX: 000055b289620e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.105682] RBP: 00007fffa6302e20 R08: 0000000000000000 R09: 00007fffa63024c0 [ 50.106760] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b292e80240 [ 50.107846] R13: 00007fffa6303250 R14: 000055b292e89380 R15: 000055b292e94540 [ 50.108940] [ 50.109303] irq event stamp: 1835 [ 50.109853] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 50.111145] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 50.112417] softirqs last enabled at (1564): [] handle_softirqs+0x50c/0x770 [ 50.113717] softirqs last disabled at (1513): [] __irq_exit_rcu+0xc4/0x100 [ 50.114985] ---[ end trace 0000000000000000 ]--- [ 50.936363] ------------[ cut here ]------------ [ 50.937459] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.939783] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.941499] Modules linked in: [ 50.942232] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.944570] Tainted: [W]=WARN [ 50.945270] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.946990] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.948078] 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 [ 50.951795] RSP: 0018:ffff888016d8fbc0 EFLAGS: 00010286 [ 50.952945] RAX: 0000000000000000 RBX: ffffed1002db1f78 RCX: ffffffff813a4050 [ 50.954452] RDX: ffff888016a10000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.955970] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db1f2f [ 50.957483] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.958980] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d8fdf8 [ 50.960501] FS: 00007fc68ec62900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.962186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.963429] CR2: 00007fc68f154580 CR3: 000000000e0ab000 CR4: 0000000000350ef0 [ 50.964955] Call Trace: [ 50.965488] [ 50.966029] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.967084] ? __create_object+0x59/0x80 [ 50.968018] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.969151] __vmalloc_noprof+0x59/0x60 [ 50.970042] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.971066] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.972182] bpf_prog_alloc+0x39/0x200 [ 50.973053] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.974132] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.975202] do_seccomp+0x349/0x25e0 [ 50.976066] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.977122] ? __pfx_do_seccomp+0x10/0x10 [ 50.978049] ? find_held_lock+0x2b/0x80 [ 50.978936] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.980076] ? static_key_count+0x60/0x80 [ 50.981016] prctl_set_seccomp+0x4e/0x70 [ 50.981913] __do_sys_prctl+0xe6c/0x1d70 [ 50.982831] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.983853] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.984983] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.986116] ? irqentry_exit+0xf3/0x650 [ 50.987021] do_syscall_64+0xbf/0x430 [ 50.987915] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.989033] RIP: 0033:0x7fc68f1545cd [ 50.989855] 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 [ 50.993567] RSP: 002b:00007ffffadb4ed0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.995213] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc68f1545cd [ 50.996727] RDX: 00005597ddc86e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.998238] RBP: 00007ffffadb4f30 R08: 0000000000000000 R09: 00007ffffadb45d0 [ 50.999758] R10: 0000000000000000 R11: 0000000000000246 R12: 00005597f004ab10 [ 51.001262] R13: 00007ffffadb5360 R14: 00005597f004b2b0 R15: 00005597f005f6f0 [ 51.002778] [ 51.003265] irq event stamp: 1761 [ 51.004047] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 51.005712] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 51.007276] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 51.008901] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 51.010473] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:29983' (ECDSA) to the list of known hosts. 2025/11/18 22:18:18 fuzzer started 2025/11/18 22:18:18 dialing manager at localhost:34383 2025/11/18 22:18:18 checking machine... 2025/11/18 22:18:18 checking revisions... [ 51.826945] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:18:18 testing simple program... [ 51.884519] cgroup: Unknown subsys name 'net' [ 51.937150] cgroup: Unknown subsys name 'cpuset' [ 51.953488] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:18:17 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888009611bc0 RCX=ffff888009627724 RDX=0000000000000000 RSI=ffffffff81ab410c RDI=ffff888009611fbc RBP=ffff888009611bc0 RSP=ffff888009627748 R8 =0000000000000001 R9 =ffff888009627810 R10=000000000003c9ed R11=0000000000023c52 R12=0000000000000000 R13=ffff888009627818 R14=ffff888009611bc0 R15=ffff8880096277d0 RIP=ffffffff815bd795 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdc2f8ee68 CR3=000000000ce18000 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=f2fc39b144e0985d00000000000ae988 XMM05=1319e678c5640f8a0000000000320b88 XMM06=ae874397eddf69350000000000320af0 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff888017269bc0 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806cf08988 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000002575e R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806cf08a70 RIP=ffffffff81529327 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 00007f8c90cff900 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=00007f8c912b6618 CR3=000000001ffbd000 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=563412feff00545000000000000080fe 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