[ 46.254353] ------------[ cut here ]------------ [ 46.255271] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.257306] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 46.258753] Modules linked in: [ 46.259348] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.261569] Tainted: [W]=WARN [ 46.262131] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.263678] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.264609] 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 [ 46.267777] RSP: 0018:ffff88801587fbc0 EFLAGS: 00010286 [ 46.268762] RAX: 0000000000000000 RBX: ffffed1002b0ff78 RCX: ffffffff813a4050 [ 46.270047] RDX: ffff8880155f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.271333] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b0ff2f [ 46.272632] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.273925] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801587fdf8 [ 46.275215] FS: 00007f3a8951c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.276660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.277711] CR2: 00007ffe7bab2ef8 CR3: 000000001667d000 CR4: 0000000000350ef0 [ 46.278988] Call Trace: [ 46.279492] [ 46.279905] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.280807] ? __create_object+0x59/0x80 [ 46.281600] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.282578] __vmalloc_noprof+0x59/0x60 [ 46.283291] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.284213] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.285169] bpf_prog_alloc+0x39/0x200 [ 46.285906] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.286840] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.287750] do_seccomp+0x349/0x25e0 [ 46.288497] ? find_held_lock+0x2b/0x80 [ 46.289223] ? do_prlimit+0x310/0x610 [ 46.289966] ? __pfx_do_seccomp+0x10/0x10 [ 46.290738] ? do_raw_spin_unlock+0x53/0x220 [ 46.291849] ? _raw_spin_unlock+0x1e/0x40 [ 46.292636] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.293584] ? static_key_count+0x60/0x80 [ 46.294348] prctl_set_seccomp+0x4e/0x70 [ 46.295117] __do_sys_prctl+0xe6c/0x1d70 [ 46.295910] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.296766] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.297749] ? irqentry_exit+0xf3/0x650 [ 46.298517] do_syscall_64+0xbf/0x430 [ 46.299230] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.300186] RIP: 0033:0x7f3a89a0e5cd [ 46.300896] 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 [ 46.304075] RSP: 002b:00007ffe7bab1040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.305447] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3a89a0e5cd [ 46.306878] RDX: 00005635688a5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.308241] RBP: 00007ffe7bab10a0 R08: 0000000000000000 R09: 00007ffe7bab0740 Debian GNU/Linux 11 syzkaller ttyS0[ 46.309523] R10: 0000000000000000 R11: 0000000000000246 R12: 000056357022e240 [ 46.311474] R13: 00007ffe7bab14d0 R14: 000056357022dbf0 R15: 00005635702424d0 [ 46.312778] syzkaller [ 46.313291] irq event stamp: 1829 [ 46.314172] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 login: [ 46.315697] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 46.317386] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 46.318934] softirqs last disabled at (1747): [] __irq_exit_rcu+0xc4/0x100 [ 46.320458] ---[ end trace 0000000000000000 ]--- [ 49.280467] ------------[ cut here ]------------ [ 49.281336] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.283306] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 49.284766] Modules linked in: [ 49.285358] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.287601] Tainted: [W]=WARN [ 49.288158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.289704] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.290626] 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 [ 49.293767] RSP: 0018:ffff8880164efbc0 EFLAGS: 00010286 [ 49.294729] RAX: 0000000000000000 RBX: ffffed1002c9df78 RCX: ffffffff813a4050 [ 49.296004] RDX: ffff888018863780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.297264] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c9df2f [ 49.298527] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.299794] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164efdf8 [ 49.301059] FS: 00007f5a6ec4e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.302469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.303523] CR2: 00007fff1a185ef8 CR3: 000000000e04d000 CR4: 0000000000350ef0 [ 49.304791] Call Trace: [ 49.305245] [ 49.305694] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.306595] ? _raw_spin_unlock_irqrestore+0x2c/0x50 [ 49.307539] ? _raw_spin_unlock_irqrestore+0x34/0x50 [ 49.308491] __vmalloc_noprof+0x59/0x60 [ 49.309205] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.310063] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.310996] bpf_prog_alloc+0x39/0x200 [ 49.311733] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.312662] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.313552] do_seccomp+0x349/0x25e0 [ 49.314242] ? find_held_lock+0x2b/0x80 [ 49.314998] ? do_prlimit+0x310/0x610 [ 49.315744] ? __pfx_do_seccomp+0x10/0x10 [ 49.316533] ? do_raw_spin_unlock+0x53/0x220 [ 49.317318] ? _raw_spin_unlock+0x1e/0x40 [ 49.318084] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.319033] ? static_key_count+0x60/0x80 [ 49.319833] prctl_set_seccomp+0x4e/0x70 [ 49.320614] __do_sys_prctl+0xe6c/0x1d70 [ 49.321342] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.322191] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.323160] ? irqentry_exit+0xf3/0x650 [ 49.323924] do_syscall_64+0xbf/0x430 [ 49.324657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.325599] RIP: 0033:0x7f5a6f1405cd [ 49.326250] 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 [ 49.329412] RSP: 002b:00007fff1a184360 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.330791] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a6f1405cd [ 49.332075] RDX: 000055f5af493e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.333139] RBP: 00007fff1a1843c0 R08: 0000000000000000 R09: 00007fff1a183a60 [ 49.334201] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f5c75bfbf0 [ 49.335266] R13: 00007fff1a1847f0 R14: 000055f5c75c9380 R15: 000055f5c75d4460 [ 49.336351] [ 49.336743] irq event stamp: 1809 [ 49.337246] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 49.338510] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 49.339789] softirqs last enabled at (1806): [] handle_softirqs+0x50c/0x770 [ 49.341061] softirqs last disabled at (1801): [] __irq_exit_rcu+0xc4/0x100 [ 49.342320] ---[ end trace 0000000000000000 ]--- [ 50.011676] ------------[ cut here ]------------ [ 50.012585] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.014588] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/246 [ 50.016054] Modules linked in: [ 50.016910] CPU: 1 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.018926] Tainted: [W]=WARN [ 50.019534] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.020982] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.021898] 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 [ 50.025027] RSP: 0018:ffff88801c12fbc0 EFLAGS: 00010286 [ 50.025991] RAX: 0000000000000000 RBX: ffffed1003825f78 RCX: ffffffff813a4050 [ 50.027258] RDX: ffff888015801bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.028536] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003825f2f [ 50.029806] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.031097] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c12fdf8 [ 50.032397] FS: 00007fc574f0d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.033839] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.034885] CR2: 00007fff81055ef8 CR3: 000000000c26e000 CR4: 0000000000350ef0 [ 50.036191] Call Trace: [ 50.036704] [ 50.037112] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.037999] ? __create_object+0x59/0x80 [ 50.038769] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.039758] __vmalloc_noprof+0x59/0x60 [ 50.040513] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.041351] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.042295] bpf_prog_alloc+0x39/0x200 [ 50.043039] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.043988] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.044917] do_seccomp+0x349/0x25e0 [ 50.045628] ? find_held_lock+0x2b/0x80 [ 50.046337] ? do_prlimit+0x310/0x610 [ 50.047079] ? __pfx_do_seccomp+0x10/0x10 [ 50.047892] ? do_raw_spin_unlock+0x53/0x220 [ 50.048725] ? _raw_spin_unlock+0x1e/0x40 [ 50.049508] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.050482] ? static_key_count+0x60/0x80 [ 50.051232] prctl_set_seccomp+0x4e/0x70 [ 50.052024] __do_sys_prctl+0xe6c/0x1d70 [ 50.052814] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.053673] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.054625] ? irqentry_exit+0xf3/0x650 [ 50.055349] do_syscall_64+0xbf/0x430 [ 50.056086] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.057040] RIP: 0033:0x7fc5753ff5cd [ 50.057739] 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 [ 50.060923] RSP: 002b:00007fff81054740 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.062282] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc5753ff5cd [ 50.063563] RDX: 000055e51dec3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.064847] RBP: 00007fff810547a0 R08: 0000000000000000 R09: 00007fff81053e40 [ 50.066136] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e54f47a240 [ 50.067444] R13: 00007fff81054bd0 R14: 000055e54f483380 R15: 000055e54f48e540 [ 50.068746] [ 50.069185] irq event stamp: 1829 [ 50.069835] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 50.071355] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 50.072892] softirqs last enabled at (1796): [] handle_softirqs+0x50c/0x770 [ 50.074435] softirqs last disabled at (1791): [] __irq_exit_rcu+0xc4/0x100 [ 50.075969] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:55119' (ECDSA) to the list of known hosts. 2025/11/17 17:56:54 fuzzer started 2025/11/17 17:56:54 dialing manager at localhost:37895 2025/11/17 17:56:54 checking machine... 2025/11/17 17:56:54 checking revisions... [ 50.968755] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:56:54 testing simple program... [ 51.059644] cgroup: Unknown subsys name 'net' [ 51.119712] cgroup: Unknown subsys name 'cpuset' [ 51.136896] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:56:53 Registers: info registers vcpu 0 RAX=ffffffff85c2ca00 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806ce08978 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023db7 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5a6f203650 CR3=00000000165ba000 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=626c3c419d805da8e74ddc8a63ad5882 XMM02=2c67c8bc2e329bc30000000000307d70 XMM03=fb795ef6d65770560000000000310c50 XMM04=8ae107e321a53f9000000000000ae988 XMM05=0b39c798a71319b60000000000320ea0 XMM06=0f1e363897b10076000000000031ad88 XMM07=e042d86d42eb936e0000000000310ed0 XMM08=e0d93b20ba2b98510000000000307dd0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffffffff85e786a8 RCX=ffffffff8175a5b5 RDX=1ffffffff0bcf0d5 RSI=ffffffff8175a55b RDI=0000000000000001 RBP=0000000000000001 RSP=ffff888018ad7758 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffffffff85e786a8 R15=ffff888008c41780 RIP=ffffffff81751c78 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 00007f5a6ec4e900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5a6ec1d008 CR3=00000000202f5000 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