[ 38.987534] ------------[ cut here ]------------ [ 38.988485] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.990523] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.991958] Modules linked in: [ 38.992593] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.994573] Tainted: [W]=WARN [ 38.995126] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.996593] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.997519] 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 [ 39.000676] RSP: 0018:ffff88800fd17bc0 EFLAGS: 00010286 [ 39.001657] RAX: 0000000000000000 RBX: ffffed1001fa2f78 RCX: ffffffff813a4050 [ 39.002933] RDX: ffff8880147b5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.004202] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001fa2f2f [ 39.005461] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.006718] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800fd17df8 [ 39.007992] FS: 00007f521cb73900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.009419] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.010491] CR2: 00007f521d065580 CR3: 0000000016048000 CR4: 0000000000350ef0 [ 39.011776] Call Trace: [ 39.012251] [ 39.012716] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.013601] ? __create_object+0x59/0x80 [ 39.014367] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.015280] __vmalloc_noprof+0x59/0x60 [ 39.016057] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.016930] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.017863] bpf_prog_alloc+0x39/0x200 [ 39.018600] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.019550] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.020451] do_seccomp+0x349/0x25e0 [ 39.021126] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.022035] ? __pfx_do_seccomp+0x10/0x10 [ 39.022856] ? find_held_lock+0x2b/0x80 [ 39.023635] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.024642] ? static_key_count+0x60/0x80 [ 39.025457] prctl_set_seccomp+0x4e/0x70 [ 39.026188] __do_sys_prctl+0xe6c/0x1d70 [ 39.026982] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.027862] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.028843] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.029824] ? irqentry_exit+0xf3/0x650 [ 39.030602] do_syscall_64+0xbf/0x430 [ 39.031334] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.032261] RIP: 0033:0x7f521d0655cd [ 39.032977] 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 [ 39.036162] RSP: 002b:00007ffc065dfa10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.037526] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f521d0655cd [ 39.038830] RDX: 000055e7ede7ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.040132] RBP: 00007ffc065dfa70 R08: 0000000000000000 R09: 00007ffc065df110 [ 39.041426] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e808e9dad0 [ 39.042714] R13: 00007ffc065dfea0 R14: 000055e808e9ebc0 R15: 000055e808eaf780 [ 39.044049] [ 39.044533] irq event stamp: 1771 [ 39.045146] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 39.046710] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 39.048266] softirqs last enabled at (1586): [] handle_softirqs+0x50c/0x770 [ 39.049830] softirqs last disabled at (1579): [] __irq_exit_rcu+0xc4/0x100 [ 39.051351] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.937665] ------------[ cut here ]------------ [ 41.938586] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.940581] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.942051] Modules linked in: [ 41.942676] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.946035] Tainted: [W]=WARN [ 41.946711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.948185] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.949092] 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 [ 41.952279] RSP: 0018:ffff8880172bfbc0 EFLAGS: 00010286 [ 41.953254] RAX: 0000000000000000 RBX: ffffed1002e57f78 RCX: ffffffff813a4050 [ 41.954528] RDX: ffff8880168bb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.955809] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e57f2f [ 41.957078] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.958353] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880172bfdf8 [ 41.959642] FS: 00007f3d42adb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.961065] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.962116] CR2: 00007ffe971a1ef8 CR3: 000000000d03f000 CR4: 0000000000350ef0 [ 41.963422] Call Trace: [ 41.963908] [ 41.964386] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.965357] ? __create_object+0x59/0x80 [ 41.966115] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.967094] __vmalloc_noprof+0x59/0x60 [ 41.967865] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.968739] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.969669] bpf_prog_alloc+0x39/0x200 [ 41.970420] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.971348] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.972229] do_seccomp+0x349/0x25e0 [ 41.972938] ? find_held_lock+0x2b/0x80 [ 41.973704] ? do_prlimit+0x310/0x610 [ 41.974435] ? __pfx_do_seccomp+0x10/0x10 [ 41.975172] ? do_raw_spin_unlock+0x53/0x220 [ 41.976021] ? _raw_spin_unlock+0x1e/0x40 [ 41.976813] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.977774] ? static_key_count+0x60/0x80 [ 41.978571] prctl_set_seccomp+0x4e/0x70 [ 41.979365] __do_sys_prctl+0xe6c/0x1d70 [ 41.980119] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.980976] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.981940] ? irqentry_exit+0xf3/0x650 [ 41.982735] do_syscall_64+0xbf/0x430 [ 41.983495] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.984448] RIP: 0033:0x7f3d42fcd5cd [ 41.985103] 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 [ 41.988262] RSP: 002b:00007ffe9719f280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.989631] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d42fcd5cd [ 41.990907] RDX: 0000563a112a4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.992220] RBP: 00007ffe9719f2e0 R08: 0000000000000000 R09: 00007ffe9719e980 [ 41.993503] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563a1a422240 [ 41.994790] R13: 00007ffe9719f710 R14: 0000563a1a42b380 R15: 0000563a1a436540 [ 41.996040] [ 41.996430] irq event stamp: 2071 [ 41.996927] hardirqs last enabled at (2079): [] __up_console_sem+0x78/0x80 [ 41.998231] hardirqs last disabled at (2088): [] __up_console_sem+0x5d/0x80 [ 41.999531] softirqs last enabled at (1652): [] handle_softirqs+0x50c/0x770 [ 42.000804] softirqs last disabled at (1647): [] __irq_exit_rcu+0xc4/0x100 [ 42.002039] ---[ end trace 0000000000000000 ]--- [ 42.943456] ------------[ cut here ]------------ [ 42.944244] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.946432] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.947761] Modules linked in: [ 42.948331] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.950098] Tainted: [W]=WARN [ 42.950636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.951973] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.952797] 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 [ 42.955643] RSP: 0018:ffff8880175dfbc0 EFLAGS: 00010286 [ 42.956537] RAX: 0000000000000000 RBX: ffffed1002ebbf78 RCX: ffffffff813a4050 [ 42.957686] RDX: ffff888016feb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.958835] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ebbf2f [ 42.959993] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.961139] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880175dfdf8 [ 42.962283] FS: 00007fb9c399c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.963611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.964568] CR2: 00007ffec58d5ef8 CR3: 000000001f129000 CR4: 0000000000350ef0 [ 42.965730] Call Trace: [ 42.966153] [ 42.966564] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.967371] ? __create_object+0x59/0x80 [ 42.968035] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.968904] __vmalloc_noprof+0x59/0x60 [ 42.969581] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.970353] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.971145] bpf_prog_alloc+0x39/0x200 [ 42.971813] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.972633] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.973434] do_seccomp+0x349/0x25e0 [ 42.974046] ? find_held_lock+0x2b/0x80 [ 42.974731] ? do_prlimit+0x310/0x610 [ 42.975385] ? __pfx_do_seccomp+0x10/0x10 [ 42.976069] ? do_raw_spin_unlock+0x53/0x220 [ 42.976816] ? _raw_spin_unlock+0x1e/0x40 [ 42.977513] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.978373] ? static_key_count+0x60/0x80 [ 42.979051] prctl_set_seccomp+0x4e/0x70 [ 42.979759] __do_sys_prctl+0xe6c/0x1d70 [ 42.980458] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.981183] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.982052] ? irqentry_exit+0xf3/0x650 [ 42.982763] do_syscall_64+0xbf/0x430 [ 42.983436] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.984246] RIP: 0033:0x7fb9c3e8e5cd [ 42.984881] 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 [ 42.987760] RSP: 002b:00007ffec58d42a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.988996] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb9c3e8e5cd [ 42.990148] RDX: 000056216a158e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.991305] RBP: 00007ffec58d4300 R08: 0000000000000000 R09: 00007ffec58d39a0 [ 42.992474] R10: 0000000000000000 R11: 0000000000000246 R12: 000056219c9c9ad0 [ 42.993625] R13: 00007ffec58d4730 R14: 000056219c9cabc0 R15: 000056219c9db780 [ 42.994799] [ 42.995174] irq event stamp: 1713 [ 42.995767] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 42.997135] hardirqs last disabled at (1732): [] __up_console_sem+0x5d/0x80 [ 42.998503] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 42.999898] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 43.001251] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:64946' (ECDSA) to the list of known hosts. 2025/11/17 12:05:09 fuzzer started 2025/11/17 12:05:10 dialing manager at localhost:37895 2025/11/17 12:05:10 checking machine... 2025/11/17 12:05:10 checking revisions... [ 43.902635] kmemleak: Automatic memory scanning thread ended 2025/11/17 12:05:10 testing simple program... [ 43.998235] cgroup: Unknown subsys name 'net' [ 44.052953] cgroup: Unknown subsys name 'cpuset' [ 44.066565] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 12:05:09 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=ffff88801a433780 RCX=0000000000000000 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88801a4341d8 RSP=ffff88800fd17498 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88801a4341d8 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff815270f5 RFL=00000007 [-----PC] 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 00007f3d42adb900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f3d43090650 CR3=000000000d599000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff86e7fa76 RDX=0000000000000000 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff88800fd4f080 RSP=ffff88800fd4efb8 R8 =ffffffff86e7fa7a R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c69c9 R12=ffff88800fd4f088 R13=ffff88800fd4f070 R14=ffff88800fd4f069 R15=ffff88800fd4f028 RIP=ffffffff8135e896 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 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=00007f05850a6438 CR3=000000001f142000 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=756e696c2d34365f3638782f62696c2f XMM01=312e6f732e747262696c2f756e672d78 XMM02=00312e6f732e747262696c2f756e672d XMM03=78756e696c2d34365f3638782f62696c XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000