[ 39.352812] ------------[ cut here ]------------ [ 39.353741] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.355751] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.357186] Modules linked in: [ 39.357827] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.359841] Tainted: [W]=WARN [ 39.360436] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.361890] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.362814] 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 [ 39.365957] RSP: 0018:ffff88801b357bc0 EFLAGS: 00010286 [ 39.366925] RAX: 0000000000000000 RBX: ffffed100366af78 RCX: ffffffff813a4050 [ 39.368195] RDX: ffff888015b8b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.369462] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100366af2f [ 39.370730] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.371986] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b357df8 [ 39.373246] FS: 00007f907dc81900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.374704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.375745] CR2: 00007f907e173580 CR3: 000000000d46a000 CR4: 0000000000350ef0 [ 39.377012] Call Trace: [ 39.377521] [ 39.377937] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.378831] ? __create_object+0x59/0x80 [ 39.379602] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.380554] __vmalloc_noprof+0x59/0x60 [ 39.381254] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.382128] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.383049] bpf_prog_alloc+0x39/0x200 [ 39.383765] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.384691] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.385581] do_seccomp+0x349/0x25e0 [ 39.386253] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.387133] ? __pfx_do_seccomp+0x10/0x10 [ 39.387921] ? find_held_lock+0x2b/0x80 [ 39.388658] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.389611] ? static_key_count+0x60/0x80 [ 39.390415] prctl_set_seccomp+0x4e/0x70 [ 39.391132] __do_sys_prctl+0xe6c/0x1d70 [ 39.391902] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.392755] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.393710] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.394687] ? irqentry_exit+0xf3/0x650 [ 39.395454] do_syscall_64+0xbf/0x430 [ 39.396138] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.397072] RIP: 0033:0x7f907e1735cd [ 39.397773] 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 [ 39.400907] RSP: 002b:00007fffe4177870 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.402241] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f907e1735cd [ 39.403170] RDX: 000055bdc4d9fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.404097] RBP: 00007fffe41778d0 R08: 0000000000000000 R09: 00007fffe4176f70 [ 39.405024] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bdc8b59b10 [ 39.405964] R13: 00007fffe4177d00 R14: 000055bdc8b5a2b0 R15: 000055bdc8b6e6f0 [ 39.406903] [ 39.407209] irq event stamp: 1821 [ 39.407665] hardirqs last enabled at (1831): [] __up_console_sem+0x78/0x80 [ 39.408753] hardirqs last disabled at (1840): [] __up_console_sem+0x5d/0x80 [ 39.409845] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 39.410954] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 39.412039] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.005044] ------------[ cut here ]------------ [ 42.005817] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.007591] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.008808] Modules linked in: [ 42.009362] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.011045] Tainted: [W]=WARN [ 42.011553] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.012803] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.013582] 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 [ 42.016269] RSP: 0018:ffff8880166efbc0 EFLAGS: 00010286 [ 42.017082] RAX: 0000000000000000 RBX: ffffed1002cddf78 RCX: ffffffff813a4050 [ 42.018171] RDX: ffff88801769b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.019252] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cddf2f [ 42.020339] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.021418] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166efdf8 [ 42.022509] FS: 00007f260d134900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.023720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.024614] CR2: 00007f260d626580 CR3: 000000000b6e0000 CR4: 0000000000350ef0 [ 42.025699] Call Trace: [ 42.026099] [ 42.026491] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.027212] ? __create_object+0x59/0x80 [ 42.027877] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.028708] __vmalloc_noprof+0x59/0x60 [ 42.029351] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.030060] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.030851] bpf_prog_alloc+0x39/0x200 [ 42.031479] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.032229] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.032992] do_seccomp+0x349/0x25e0 [ 42.033592] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.034380] ? __pfx_do_seccomp+0x10/0x10 [ 42.035011] ? find_held_lock+0x2b/0x80 [ 42.035657] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.036459] ? static_key_count+0x60/0x80 [ 42.037101] prctl_set_seccomp+0x4e/0x70 [ 42.037758] __do_sys_prctl+0xe6c/0x1d70 [ 42.038427] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.039113] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.039927] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.040746] ? irqentry_exit+0xf3/0x650 [ 42.041403] do_syscall_64+0xbf/0x430 [ 42.042004] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.042809] RIP: 0033:0x7f260d6265cd [ 42.043410] 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 [ 42.046107] RSP: 002b:00007fffa24d5c50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.047271] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f260d6265cd [ 42.048367] RDX: 00005638480dde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.049450] RBP: 00007fffa24d5cb0 R08: 0000000000000000 R09: 00007fffa24d5350 [ 42.050549] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563885c3e2b0 [ 42.051640] R13: 00007fffa24d60e0 R14: 0000563885c40d20 R15: 0000563885c528d0 [ 42.052744] [ 42.053103] irq event stamp: 1741 [ 42.053650] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 42.054951] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 42.056241] softirqs last enabled at (1280): [] handle_softirqs+0x50c/0x770 [ 42.057564] softirqs last disabled at (1271): [] __irq_exit_rcu+0xc4/0x100 [ 42.058857] ---[ end trace 0000000000000000 ]--- [ 42.894265] ------------[ cut here ]------------ [ 42.895040] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.896724] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.897937] Modules linked in: [ 42.898494] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.900164] Tainted: [W]=WARN [ 42.900665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.901889] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.902651] 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 [ 42.905300] RSP: 0018:ffff88801c43fbc0 EFLAGS: 00010286 [ 42.906080] RAX: 0000000000000000 RBX: ffffed1003887f78 RCX: ffffffff813a4050 [ 42.907140] RDX: ffff88801b02b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.908212] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003887f2f [ 42.909293] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.910359] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c43fdf8 [ 42.911419] FS: 00007f512f6dc900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.912614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.913490] CR2: 00007ffe1e3d5ef7 CR3: 000000000e3a0000 CR4: 0000000000350ef0 [ 42.914576] Call Trace: [ 42.914958] [ 42.915339] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.916051] ? __create_object+0x59/0x80 [ 42.916711] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.917521] __vmalloc_noprof+0x59/0x60 [ 42.918120] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.918862] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.919640] bpf_prog_alloc+0x39/0x200 [ 42.920220] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.921000] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.921754] do_seccomp+0x349/0x25e0 [ 42.922383] ? find_held_lock+0x2b/0x80 [ 42.922980] ? do_prlimit+0x310/0x610 [ 42.923602] ? __pfx_do_seccomp+0x10/0x10 [ 42.924219] ? do_raw_spin_unlock+0x53/0x220 [ 42.924910] ? _raw_spin_unlock+0x1e/0x40 [ 42.925569] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.926375] ? static_key_count+0x60/0x80 [ 42.927002] prctl_set_seccomp+0x4e/0x70 [ 42.927663] __do_sys_prctl+0xe6c/0x1d70 [ 42.928324] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.928999] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.929803] ? irqentry_exit+0xf3/0x650 [ 42.930453] do_syscall_64+0xbf/0x430 [ 42.931034] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.931829] RIP: 0033:0x7f512fbce5cd [ 42.932412] 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 [ 42.935048] RSP: 002b:00007ffe1e3d40b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.936182] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f512fbce5cd [ 42.937260] RDX: 000055651bb0ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.938344] RBP: 00007ffe1e3d4110 R08: 0000000000000000 R09: 00007ffe1e3d37b0 [ 42.939420] R10: 0000000000000000 R11: 0000000000000246 R12: 00005565201ea2b0 [ 42.940494] R13: 00007ffe1e3d4540 R14: 00005565201ecd20 R15: 00005565201fe8d0 [ 42.941595] [ 42.941964] irq event stamp: 1729 [ 42.942514] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 42.943770] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 42.945107] softirqs last enabled at (1768): [] handle_softirqs+0x50c/0x770 [ 42.946414] softirqs last disabled at (1757): [] __irq_exit_rcu+0xc4/0x100 [ 42.947668] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:39822' (ECDSA) to the list of known hosts. 2025/11/17 20:07:51 fuzzer started 2025/11/17 20:07:52 dialing manager at localhost:37895 2025/11/17 20:07:52 checking machine... 2025/11/17 20:07:52 checking revisions... [ 43.834188] kmemleak: Automatic memory scanning thread ended 2025/11/17 20:07:52 testing simple program... [ 43.913681] cgroup: Unknown subsys name 'net' [ 43.969882] cgroup: Unknown subsys name 'cpuset' [ 43.983816] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:07:51 Registers: info registers vcpu 0 RAX=ffff88801b02de10 RBX=ffff888016ccf600 RCX=ffff88806ce089b4 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff88801b02de10 RBP=ffffffff85e1ffe0 RSP=ffff88806ce089a8 R8 =0000000000000001 R9 =ffff88806ce08aa0 R10=000000000003c9ed R11=0000000000023cdc R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff88801b02d340 R15=0000000000000004 RIP=ffffffff81528fb1 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fccc9ada260 CR3=0000000020632000 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=6c69747579656b62696c2f756e672d78 XMM02=00312e6f732e736c69747579656b6269 XMM03=6c2f756e672d78756e696c2d34365f36 XMM04=00000000000000000000000000000000 XMM05=00007fccca016f6000007fccc9df9f30 XMM06=00007fccc9df9a2000007fccc9df9510 XMM07=00007fccc9df900000007fccca017a20 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff8880096fb780 RCX=0000000000000002 RDX=0000000088596101 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888009757688 R8 =0000000000000000 R9 =ffffffff87ce3608 R10=0000000000000001 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81526fb4 RFL=00000082 [--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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f260d6e9650 CR3=00000000206d3000 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