[ 39.081119] ------------[ cut here ]------------ [ 39.081898] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.083562] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.084799] Modules linked in: [ 39.085328] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.086999] Tainted: [W]=WARN [ 39.087498] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.088766] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.089541] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 39.092204] RSP: 0018:ffff88801797fbc0 EFLAGS: 00010286 [ 39.092985] RAX: 0000000000000000 RBX: ffffed1002f2ff78 RCX: ffffffff813a4050 [ 39.094065] RDX: ffff888015c23780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.095153] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f2ff2f [ 39.096221] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.097288] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801797fdf8 [ 39.098359] FS: 00007f2e5b133900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.099571] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.100469] CR2: 00007f2e5b625580 CR3: 00000000136c7000 CR4: 0000000000350ef0 [ 39.101548] Call Trace: [ 39.101947] [ 39.102324] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.103035] ? __create_object+0x59/0x80 [ 39.103734] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.104552] __vmalloc_noprof+0x59/0x60 [ 39.105186] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.105895] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.106685] bpf_prog_alloc+0x39/0x200 [ 39.107291] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.108020] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.108769] do_seccomp+0x349/0x25e0 [ 39.109359] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.110075] ? __pfx_do_seccomp+0x10/0x10 [ 39.110731] ? find_held_lock+0x2b/0x80 [ 39.111371] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.112172] ? static_key_count+0x60/0x80 [ 39.112801] prctl_set_seccomp+0x4e/0x70 [ 39.113448] __do_sys_prctl+0xe6c/0x1d70 [ 39.114069] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.114785] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.115600] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.116407] ? irqentry_exit+0xf3/0x650 [ 39.117002] do_syscall_64+0xbf/0x430 [ 39.117629] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.118424] RIP: 0033:0x7f2e5b6255cd [ 39.118975] 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 [ 39.121619] RSP: 002b:00007ffc8265d6c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.122765] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2e5b6255cd [ 39.123843] RDX: 0000562b84d98e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.124902] RBP: 00007ffc8265d720 R08: 0000000000000000 R09: 00007ffc8265cdc0 [ 39.125980] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562bbba73ad0 [ 39.127042] R13: 00007ffc8265db50 R14: 0000562bbba74bc0 R15: 0000562bbba85780 [ 39.128147] [ 39.128499] irq event stamp: 1799 [ 39.129003] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 39.130275] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 39.131537] softirqs last enabled at (1504): [] handle_softirqs+0x50c/0x770 [ 39.132844] softirqs last disabled at (1493): [] __irq_exit_rcu+0xc4/0x100 [ 39.134147] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.370022] ------------[ cut here ]------------ [ 42.371194] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.373683] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.375725] Modules linked in: [ 42.376535] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.379042] Tainted: [W]=WARN [ 42.379789] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.381625] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.382775] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.386738] RSP: 0018:ffff888015f97bc0 EFLAGS: 00010286 [ 42.387965] RAX: 0000000000000000 RBX: ffffed1002bf2f78 RCX: ffffffff813a4050 [ 42.389561] RDX: ffff888015ca3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.391210] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bf2f2f [ 42.392822] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.394447] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f97df8 [ 42.396049] FS: 00007f15a8621900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.397864] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.399186] CR2: 00007f15a8b13580 CR3: 000000002009c000 CR4: 0000000000350ef0 [ 42.400789] Call Trace: [ 42.401412] [ 42.401930] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.403045] ? __create_object+0x59/0x80 [ 42.404018] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.405226] __vmalloc_noprof+0x59/0x60 [ 42.406185] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.407265] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.408439] bpf_prog_alloc+0x39/0x200 [ 42.409363] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.410172] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.410695] do_seccomp+0x349/0x25e0 [ 42.411100] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.411652] ? __pfx_do_seccomp+0x10/0x10 [ 42.412101] ? find_held_lock+0x2b/0x80 [ 42.412562] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.413107] ? static_key_count+0x60/0x80 [ 42.413593] prctl_set_seccomp+0x4e/0x70 [ 42.414038] __do_sys_prctl+0xe6c/0x1d70 [ 42.414513] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.415001] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.415578] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.416159] ? irqentry_exit+0xf3/0x650 [ 42.416598] do_syscall_64+0xbf/0x430 [ 42.417014] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.417586] RIP: 0033:0x7f15a8b135cd [ 42.417988] 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 [ 42.419884] RSP: 002b:00007fff7e49d040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.420705] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f15a8b135cd [ 42.421475] RDX: 0000558a0ed1de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.422242] RBP: 00007fff7e49d0a0 R08: 0000000000000000 R09: 00007fff7e49c740 [ 42.422994] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558a125ddad0 [ 42.423771] R13: 00007fff7e49d4d0 R14: 0000558a125debc0 R15: 0000558a125ef780 [ 42.424575] [ 42.424834] irq event stamp: 1785 [ 42.425221] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 42.426114] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 42.427027] softirqs last enabled at (1616): [] handle_softirqs+0x50c/0x770 [ 42.427950] softirqs last disabled at (1611): [] __irq_exit_rcu+0xc4/0x100 [ 42.428854] ---[ end trace 0000000000000000 ]--- [ 43.211069] ------------[ cut here ]------------ [ 43.212042] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.214224] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.215761] Modules linked in: [ 43.216418] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.218549] Tainted: [W]=WARN [ 43.219193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.221009] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.222055] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 43.225406] RSP: 0018:ffff888016cdfbc0 EFLAGS: 00010286 [ 43.226456] RAX: 0000000000000000 RBX: ffffed1002d9bf78 RCX: ffffffff813a4050 [ 43.227812] RDX: ffff888015efb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.229184] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d9bf2f [ 43.230547] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.231894] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016cdfdf8 [ 43.233264] FS: 00007f6cf8776900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.234821] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.235970] CR2: 00007f6cf8c68580 CR3: 000000000d946000 CR4: 0000000000350ef0 [ 43.237348] Call Trace: [ 43.237860] [ 43.238342] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.239331] ? __create_object+0x59/0x80 [ 43.240184] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.241222] __vmalloc_noprof+0x59/0x60 [ 43.242006] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.242939] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.243924] bpf_prog_alloc+0x39/0x200 [ 43.244708] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.245729] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.246707] do_seccomp+0x349/0x25e0 [ 43.247473] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.248432] ? __pfx_do_seccomp+0x10/0x10 [ 43.249269] ? find_held_lock+0x2b/0x80 [ 43.250062] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.251090] ? static_key_count+0x60/0x80 [ 43.251931] prctl_set_seccomp+0x4e/0x70 [ 43.252755] __do_sys_prctl+0xe6c/0x1d70 [ 43.253587] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.254522] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.255560] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.256596] ? irqentry_exit+0xf3/0x650 [ 43.257413] do_syscall_64+0xbf/0x430 [ 43.258224] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.259244] RIP: 0033:0x7f6cf8c685cd [ 43.259963] 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 [ 43.263404] RSP: 002b:00007fffc6992760 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.264886] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6cf8c685cd [ 43.266251] RDX: 000055831ff27e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.267464] RBP: 00007fffc69927c0 R08: 0000000000000000 R09: 00007fffc6991e60 [ 43.268690] R10: 0000000000000000 R11: 0000000000000246 R12: 000055832eb99ad0 [ 43.269950] R13: 00007fffc6992bf0 R14: 000055832eb9abc0 R15: 000055832ebab780 [ 43.271196] [ 43.271607] irq event stamp: 1793 [ 43.272231] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 43.273695] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 43.275119] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 43.276555] softirqs last disabled at (1777): [] __irq_exit_rcu+0xc4/0x100 [ 43.277973] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61659' (ECDSA) to the list of known hosts. 2025/11/18 18:50:08 fuzzer started 2025/11/18 18:50:08 dialing manager at localhost:34383 2025/11/18 18:50:08 checking machine... 2025/11/18 18:50:08 checking revisions... [ 44.103978] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:50:09 testing simple program... [ 44.203400] cgroup: Unknown subsys name 'net' [ 44.287047] cgroup: Unknown subsys name 'cpuset' [ 44.302705] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:50:08 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000002 RCX=dfb8078e475e76a4 RDX=1ffff1100d9c115a RSI=000000008301a466 RDI=ffff88806ce31cd0 RBP=ffff88806ce08ac8 RSP=ffff88806ce08a00 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88806ce08ad0 R13=ffff88806ce08ab8 R14=0000000000000000 R15=ffff88806ce08a70 RIP=ffffffff8135e533 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 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa93eb5d760 CR3=000000000d02d000 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=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=000000ff000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff88806cf28500 RCX=ffffffff8162e697 RDX=ffff888015ca1bc0 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff88806cf28e58 RSP=ffff88806cf08708 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=0000000000000001 R11=0000000000000001 R12=ffff88806cf28500 R13=ffff88806cf28580 R14=ffff88806cf28500 R15=dffffc0000000000 RIP=ffffffff81751e00 RFL=00000002 [-------] 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 00007f049a045700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f15a8bd90b0 CR3=000000000bef3000 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=2037303a30353a383120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037303a30353a3831203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000