[ 39.023414] ------------[ cut here ]------------ [ 39.024406] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.026545] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.028095] Modules linked in: [ 39.028770] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.030878] Tainted: [W]=WARN [ 39.031518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.033071] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.034025] 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 [ 39.037330] RSP: 0018:ffff888018b7fbc0 EFLAGS: 00010286 [ 39.038360] RAX: 0000000000000000 RBX: ffffed100316ff78 RCX: ffffffff813a4050 [ 39.039708] RDX: ffff888018bd8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.041025] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100316ff2f [ 39.042371] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.043694] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018b7fdf8 [ 39.045045] FS: 00007f3535d8d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.046564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.047669] CR2: 00007ffd1a9deef8 CR3: 0000000013684000 CR4: 0000000000350ef0 [ 39.049027] Call Trace: [ 39.049562] [ 39.049997] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.050954] ? __create_object+0x59/0x80 [ 39.051775] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.052794] __vmalloc_noprof+0x59/0x60 [ 39.053595] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.054523] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.055507] bpf_prog_alloc+0x39/0x200 [ 39.056222] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.057174] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.058097] do_seccomp+0x349/0x25e0 [ 39.058832] ? find_held_lock+0x2b/0x80 [ 39.059608] ? do_prlimit+0x310/0x610 [ 39.060370] ? __pfx_do_seccomp+0x10/0x10 [ 39.061131] ? do_raw_spin_unlock+0x53/0x220 [ 39.061991] ? _raw_spin_unlock+0x1e/0x40 [ 39.062806] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.063792] ? static_key_count+0x60/0x80 [ 39.064613] prctl_set_seccomp+0x4e/0x70 [ 39.065413] __do_sys_prctl+0xe6c/0x1d70 [ 39.066172] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.067076] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.068092] ? irqentry_exit+0xf3/0x650 [ 39.068878] do_syscall_64+0xbf/0x430 [ 39.069642] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.070643] RIP: 0033:0x7f353627f5cd [ 39.071373] 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 [ 39.074668] RSP: 002b:00007ffd1a9dd400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.076076] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f353627f5cd [ 39.077384] RDX: 000055d08c699e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.078718] RBP: 00007ffd1a9dd460 R08: 0000000000000000 R09: 00007ffd1a9dcb00 [ 39.080004] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d0bc553bf0 [ 39.081285] R13: 00007ffd1a9dd890 R14: 000055d0bc55d380 R15: 000055d0bc568460 [ 39.082601] [ 39.083026] irq event stamp: 1819 [ 39.083686] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 39.085210] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 39.086771] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 39.088320] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 39.089858] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.370540] ------------[ cut here ]------------ [ 42.371516] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.373700] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.376692] Modules linked in: [ 42.377459] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.379614] Tainted: [W]=WARN [ 42.380208] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.381792] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.382785] 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 [ 42.386218] RSP: 0018:ffff888018a8fbc0 EFLAGS: 00010286 [ 42.387310] RAX: 0000000000000000 RBX: ffffed1003151f78 RCX: ffffffff813a4050 [ 42.388697] RDX: ffff8880155d1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.390072] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003151f2f [ 42.391470] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.392846] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018a8fdf8 [ 42.394235] FS: 00007fd56602c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.395898] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.397039] CR2: 00007ffdea009ef8 CR3: 000000000e070000 CR4: 0000000000350ef0 [ 42.398434] Call Trace: [ 42.398945] [ 42.399426] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.400396] ? __create_object+0x59/0x80 [ 42.401196] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.402276] __vmalloc_noprof+0x59/0x60 [ 42.403118] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.404153] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.405138] bpf_prog_alloc+0x39/0x200 [ 42.406015] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.407030] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.408166] do_seccomp+0x349/0x25e0 [ 42.408928] ? find_held_lock+0x2b/0x80 [ 42.409816] ? do_prlimit+0x310/0x610 [ 42.410639] ? __pfx_do_seccomp+0x10/0x10 [ 42.411608] ? do_raw_spin_unlock+0x53/0x220 [ 42.412490] ? _raw_spin_unlock+0x1e/0x40 [ 42.413319] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.414363] ? static_key_count+0x60/0x80 [ 42.415321] prctl_set_seccomp+0x4e/0x70 [ 42.416108] __do_sys_prctl+0xe6c/0x1d70 [ 42.417163] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.418059] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.419204] ? irqentry_exit+0xf3/0x650 [ 42.420004] do_syscall_64+0xbf/0x430 [ 42.420777] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.421782] RIP: 0033:0x7fd56651e5cd [ 42.422540] 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 [ 42.426172] RSP: 002b:00007ffdea007de0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.427645] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd56651e5cd [ 42.428992] RDX: 0000558cba424e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.430329] RBP: 00007ffdea007e40 R08: 0000000000000000 R09: 00007ffdea0074e0 [ 42.431615] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558cbd46cad0 [ 42.432783] R13: 00007ffdea008270 R14: 0000558cbd46dbc0 R15: 0000558cbd47e780 [ 42.433879] [ 42.434306] irq event stamp: 2053 [ 42.434869] hardirqs last enabled at (2061): [] __up_console_sem+0x78/0x80 [ 42.436277] hardirqs last disabled at (2070): [] __up_console_sem+0x5d/0x80 [ 42.437760] softirqs last enabled at (1826): [] handle_softirqs+0x50c/0x770 [ 42.439368] softirqs last disabled at (1821): [] __irq_exit_rcu+0xc4/0x100 [ 42.440953] ---[ end trace 0000000000000000 ]--- [ 43.264510] ------------[ cut here ]------------ [ 43.265533] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.267777] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.269368] Modules linked in: [ 43.270006] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.272172] Tainted: [W]=WARN [ 43.272839] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.274438] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.275436] 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 [ 43.278870] RSP: 0018:ffff888016ce7bc0 EFLAGS: 00010286 [ 43.279950] RAX: 0000000000000000 RBX: ffffed1002d9cf78 RCX: ffffffff813a4050 [ 43.281387] RDX: ffff888016441bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.282815] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9cf2f [ 43.284213] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.285626] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ce7df8 [ 43.287031] FS: 00007f247e827900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.288617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.289782] CR2: 00007ffe0662bef8 CR3: 000000001f873000 CR4: 0000000000350ef0 [ 43.291212] Call Trace: [ 43.291799] [ 43.292277] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.293198] ? __create_object+0x59/0x80 [ 43.294067] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.295149] __vmalloc_noprof+0x59/0x60 [ 43.296002] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.296971] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.298006] bpf_prog_alloc+0x39/0x200 [ 43.298840] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.299873] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.300879] do_seccomp+0x349/0x25e0 [ 43.301676] ? find_held_lock+0x2b/0x80 [ 43.302507] ? do_prlimit+0x310/0x610 [ 43.303337] ? __pfx_do_seccomp+0x10/0x10 [ 43.304142] ? do_raw_spin_unlock+0x53/0x220 [ 43.305048] ? _raw_spin_unlock+0x1e/0x40 [ 43.305890] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.306918] ? static_key_count+0x60/0x80 [ 43.307798] prctl_set_seccomp+0x4e/0x70 [ 43.308648] __do_sys_prctl+0xe6c/0x1d70 [ 43.309469] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.310453] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.311477] ? irqentry_exit+0xf3/0x650 [ 43.312314] do_syscall_64+0xbf/0x430 [ 43.313073] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.314104] RIP: 0033:0x7f247ed195cd [ 43.314893] 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 [ 43.318368] RSP: 002b:00007ffe0662a140 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.319931] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f247ed195cd [ 43.321343] RDX: 000055fdefbdee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.322775] RBP: 00007ffe0662a1a0 R08: 0000000000000000 R09: 00007ffe06629840 [ 43.324186] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fe10be5ad0 [ 43.325598] R13: 00007ffe0662a5d0 R14: 000055fe10be6bc0 R15: 000055fe10bf7780 [ 43.327014] [ 43.327513] irq event stamp: 1751 [ 43.328175] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 43.329808] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 43.331308] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 43.332715] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 43.334084] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26600' (ECDSA) to the list of known hosts. 2025/11/17 11:25:01 fuzzer started 2025/11/17 11:25:01 dialing manager at localhost:37895 2025/11/17 11:25:01 checking machine... 2025/11/17 11:25:01 checking revisions... [ 44.249628] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:25:01 testing simple program... [ 44.338576] cgroup: Unknown subsys name 'net' [ 44.405514] cgroup: Unknown subsys name 'cpuset' [ 44.427229] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:25:00 Registers: info registers vcpu 0 RAX=0000000001987bb7 RBX=0000000043a87dcd RCX=00000000c9b53f5b RDX=000000000000000b RSI=ffff8880154575e0 RDI=0000000000000004 RBP=0000000000000001 RSP=ffff888015457530 R8 =0000000026e0d024 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000002800 R14=ffff888015457598 R15=000000000000000b RIP=ffffffff82642418 RFL=00000282 [--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 00007ff474896900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff473fac000 CR3=000000000d160000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=837e30479a6adf0300000000000ae988 XMM05=4aafa4f71cd5d017000000000031fe80 XMM06=b99cf2864e260cac000000000031df08 XMM07=fb795ef6d6577056000000000030d4c0 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff83c607ac RBX=0000000000000006 RCX=0000000000000000 RDX=0000000000000000 RSI=000000000000000b RDI=ffff88801ac47a68 RBP=dffffc0000000000 RSP=ffff88801ac479a8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=000000000000000b R13=0000000000000000 R14=ffff88801ac47a38 R15=ffff88800f42a000 RIP=ffffffff8161918d RFL=00000206 [-----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 00007fd56602c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdea001000 CR3=000000001f262000 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=6720646572637465733a4d41503d706f 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