[ 39.292415] ------------[ cut here ]------------ [ 39.293358] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.295430] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.296921] Modules linked in: [ 39.297512] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.299759] Tainted: [W]=WARN [ 39.300432] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.301944] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.302825] 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 [ 39.305985] RSP: 0018:ffff888017d3fbc0 EFLAGS: 00010286 [ 39.306973] RAX: 0000000000000000 RBX: ffffed1002fa7f78 RCX: ffffffff813a4050 [ 39.308259] RDX: ffff88800ebb8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.309543] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fa7f2f [ 39.310832] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.312125] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017d3fdf8 [ 39.313427] FS: 00007f383e5fd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.314882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.315971] CR2: 00007ffdaf338ef7 CR3: 000000000b8c9000 CR4: 0000000000350ef0 [ 39.317250] Call Trace: [ 39.317714] [ 39.318191] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.319103] ? __create_object+0x59/0x80 [ 39.319825] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.320805] __vmalloc_noprof+0x59/0x60 [ 39.321554] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.322457] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.323404] bpf_prog_alloc+0x39/0x200 [ 39.324163] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.325104] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.326001] do_seccomp+0x349/0x25e0 [ 39.326710] ? find_held_lock+0x2b/0x80 [ 39.327465] ? do_prlimit+0x310/0x610 [ 39.328262] ? __pfx_do_seccomp+0x10/0x10 [ 39.329104] ? do_raw_spin_unlock+0x53/0x220 [ 39.329995] ? _raw_spin_unlock+0x1e/0x40 [ 39.330757] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.331729] ? static_key_count+0x60/0x80 [ 39.332523] prctl_set_seccomp+0x4e/0x70 [ 39.333298] __do_sys_prctl+0xe6c/0x1d70 [ 39.334099] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.334975] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.335950] ? irqentry_exit+0xf3/0x650 [ 39.336685] do_syscall_64+0xbf/0x430 [ 39.337428] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.338392] RIP: 0033:0x7f383eaef5cd [ 39.339100] 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 [ 39.342259] RSP: 002b:00007ffdaf336e70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.343622] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f383eaef5cd [ 39.344918] RDX: 000056471a9eee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.346200] RBP: 00007ffdaf336ed0 R08: 0000000000000000 R09: 00007ffdaf336570 [ 39.347472] R10: 0000000000000000 R11: 0000000000000246 R12: 000056473b7d82b0 [ 39.348752] R13: 00007ffdaf337300 R14: 000056473b7dad20 R15: 000056473b7ec8d0 [ 39.350051] [ 39.350486] irq event stamp: 1863 [ 39.351144] hardirqs last enabled at (1873): [] __up_console_sem+0x78/0x80 [ 39.352692] hardirqs last disabled at (1882): [] __up_console_sem+0x5d/0x80 [ 39.354328] softirqs last enabled at (1482): [] handle_softirqs+0x50c/0x770 [ 39.355787] softirqs last disabled at (1477): [] __irq_exit_rcu+0xc4/0x100 [ 39.357110] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.930794] ------------[ cut here ]------------ [ 41.931690] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.933734] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.935251] Modules linked in: [ 41.935856] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.937871] Tainted: [W]=WARN [ 41.938488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.939960] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.940829] 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 [ 41.943995] RSP: 0018:ffff888017147bc0 EFLAGS: 00010286 [ 41.944976] RAX: 0000000000000000 RBX: ffffed1002e28f78 RCX: ffffffff813a4050 [ 41.946262] RDX: ffff8880176ad340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.947546] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e28f2f [ 41.948838] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.950148] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017147df8 [ 41.951456] FS: 00007f588cb28900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.952930] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.954013] CR2: 00007ffffd9e2ef7 CR3: 0000000020631000 CR4: 0000000000350ef0 [ 41.955316] Call Trace: [ 41.955778] [ 41.956227] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.957133] ? __create_object+0x59/0x80 [ 41.957879] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.958870] __vmalloc_noprof+0x59/0x60 [ 41.959637] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.960515] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.961467] bpf_prog_alloc+0x39/0x200 [ 41.962214] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.963141] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.964043] do_seccomp+0x349/0x25e0 [ 41.964715] ? find_held_lock+0x2b/0x80 [ 41.965467] ? do_prlimit+0x310/0x610 [ 41.966218] ? __pfx_do_seccomp+0x10/0x10 [ 41.967003] ? do_raw_spin_unlock+0x53/0x220 [ 41.967806] ? _raw_spin_unlock+0x1e/0x40 [ 41.968585] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.969539] ? static_key_count+0x60/0x80 [ 41.970355] prctl_set_seccomp+0x4e/0x70 [ 41.971135] __do_sys_prctl+0xe6c/0x1d70 [ 41.971879] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.972749] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.973721] ? irqentry_exit+0xf3/0x650 [ 41.974496] do_syscall_64+0xbf/0x430 [ 41.975243] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.976201] RIP: 0033:0x7f588d01a5cd [ 41.976858] 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 [ 41.980065] RSP: 002b:00007ffffd9e13e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.981434] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f588d01a5cd [ 41.982729] RDX: 00005583a1143e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.983655] RBP: 00007ffffd9e1440 R08: 0000000000000000 R09: 00007ffffd9e0ae0 [ 41.984489] R10: 0000000000000000 R11: 0000000000000246 R12: 00005583b55ccbf0 [ 41.985335] R13: 00007ffffd9e1870 R14: 00005583b55d6380 R15: 00005583b55e1460 [ 41.986205] [ 41.986485] irq event stamp: 1693 [ 41.986875] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 41.987625] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 41.988336] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 41.989043] softirqs last disabled at (1665): [] __irq_exit_rcu+0xc4/0x100 [ 41.989739] ---[ end trace 0000000000000000 ]--- [ 42.671350] ------------[ cut here ]------------ [ 42.672279] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.674522] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.676138] Modules linked in: [ 42.676723] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.678664] Tainted: [W]=WARN [ 42.679241] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.680674] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.681567] 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 [ 42.684654] RSP: 0018:ffff88801794fbc0 EFLAGS: 00010286 [ 42.685594] RAX: 0000000000000000 RBX: ffffed1002f29f78 RCX: ffffffff813a4050 [ 42.686845] RDX: ffff8880160e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.688134] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f29f2f [ 42.688967] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.689727] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801794fdf8 [ 42.690515] FS: 00007f62b6f54900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.691401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.692050] CR2: 00007f62b7446580 CR3: 000000000d600000 CR4: 0000000000350ef0 [ 42.692813] Call Trace: [ 42.693189] [ 42.693488] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.694151] ? __create_object+0x59/0x80 [ 42.694690] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.695401] __vmalloc_noprof+0x59/0x60 [ 42.695941] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.696535] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.697303] bpf_prog_alloc+0x39/0x200 [ 42.697807] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.698497] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.699151] do_seccomp+0x349/0x25e0 [ 42.699634] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.700310] ? __pfx_do_seccomp+0x10/0x10 [ 42.700843] ? find_held_lock+0x2b/0x80 [ 42.701387] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.702089] ? static_key_count+0x60/0x80 [ 42.702651] prctl_set_seccomp+0x4e/0x70 [ 42.703217] __do_sys_prctl+0xe6c/0x1d70 [ 42.703865] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.704678] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.705361] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.706143] ? irqentry_exit+0xf3/0x650 [ 42.706570] do_syscall_64+0xbf/0x430 [ 42.707010] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.707532] RIP: 0033:0x7f62b74465cd [ 42.707948] 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 [ 42.709903] RSP: 002b:00007ffc3f141980 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.710761] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62b74465cd [ 42.711520] RDX: 000055f79c25de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.712272] RBP: 00007ffc3f1419e0 R08: 0000000000000000 R09: 00007ffc3f141080 [ 42.713017] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f7b0db9ad0 [ 42.713730] R13: 00007ffc3f141e10 R14: 000055f7b0dbabc0 R15: 000055f7b0dcb780 [ 42.714500] [ 42.714745] irq event stamp: 1925 [ 42.715132] hardirqs last enabled at (1935): [] __up_console_sem+0x78/0x80 [ 42.716018] hardirqs last disabled at (1944): [] __up_console_sem+0x5d/0x80 [ 42.716869] softirqs last enabled at (1804): [] handle_softirqs+0x50c/0x770 [ 42.717773] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 42.718666] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47541' (ECDSA) to the list of known hosts. 2025/11/17 23:55:18 fuzzer started 2025/11/17 23:55:18 dialing manager at localhost:37895 2025/11/17 23:55:19 checking machine... 2025/11/17 23:55:19 checking revisions... [ 43.577491] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:55:19 testing simple program... [ 43.650656] cgroup: Unknown subsys name 'net' [ 43.703419] cgroup: Unknown subsys name 'cpuset' [ 43.721359] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:55:18 Registers: info registers vcpu 0 RAX=0000001cea021878 RBX=0000000000000000 RCX=00000000000006e0 RDX=000000000000001c RSI=ffff88806ce23b00 RDI=0000000000053ea1 RBP=ffff88806ce23b00 RSP=ffff88806ce08ed8 R8 =0000000000000001 R9 =0000000000000000 R10=00000000000f034a R11=0000000000000001 R12=0000000000053ea1 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce28500 RIP=ffffffff8132e865 RFL=00000013 [----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 00007f588cb28900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f588cad2008 CR3=000000000d600000 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=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=0000000000000001 RBX=0000000000000283 RCX=ffffffff817d97d6 RDX=0000000000000000 RSI=0000000000000006 RDI=ffff888009613780 RBP=ffff888009613780 RSP=ffff888009637c50 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000001 R12=ffffffff85c11280 R13=ffff888009637cc0 R14=0000000000000001 R15=ffff888009613780 RIP=ffffffff81526e0b RFL=00000046 [---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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f70e20cf018 CR3=000000000d56a000 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=35353a333220373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363633 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000