[ 39.097976] ------------[ cut here ]------------ [ 39.098963] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.100992] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.102493] Modules linked in: [ 39.103471] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.105539] Tainted: [W]=WARN [ 39.106095] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.107565] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.108432] 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 [ 39.111615] RSP: 0018:ffff88800f537bc0 EFLAGS: 00010286 [ 39.112601] RAX: 0000000000000000 RBX: ffffed1001ea6f78 RCX: ffffffff813a4050 [ 39.113875] RDX: ffff888015945340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.115163] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ea6f2f [ 39.116465] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.117749] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f537df8 [ 39.119052] FS: 00007f8012fb5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.120491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.121588] CR2: 00007f80134a7580 CR3: 000000000ce77000 CR4: 0000000000350ef0 [ 39.122877] Call Trace: [ 39.123353] [ 39.123799] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.124709] ? __create_object+0x59/0x80 [ 39.125440] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.126413] __vmalloc_noprof+0x59/0x60 [ 39.127154] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.128043] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.128975] bpf_prog_alloc+0x39/0x200 [ 39.129712] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.130656] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.131574] do_seccomp+0x349/0x25e0 [ 39.132246] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.133150] ? __pfx_do_seccomp+0x10/0x10 [ 39.133937] ? find_held_lock+0x2b/0x80 [ 39.134726] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.135702] ? static_key_count+0x60/0x80 [ 39.136463] prctl_set_seccomp+0x4e/0x70 [ 39.137245] __do_sys_prctl+0xe6c/0x1d70 [ 39.138046] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.138918] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.139903] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.140865] ? irqentry_exit+0xf3/0x650 [ 39.141631] do_syscall_64+0xbf/0x430 [ 39.142344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.143311] RIP: 0033:0x7f80134a75cd [ 39.144004] 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 [ 39.147165] RSP: 002b:00007ffecc2bd560 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.148545] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f80134a75cd [ 39.149816] RDX: 0000563590278e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.151112] RBP: 00007ffecc2bd5c0 R08: 0000000000000000 R09: 00007ffecc2bcc60 [ 39.152415] R10: 0000000000000000 R11: 0000000000000246 R12: 00005635c31e0ad0 [ 39.153688] R13: 00007ffecc2bd9f0 R14: 00005635c31e1bc0 R15: 00005635c31f2780 [ 39.154978] [ 39.155411] irq event stamp: 1785 [ 39.156058] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 39.157377] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 39.158638] softirqs last enabled at (1592): [] handle_softirqs+0x50c/0x770 [ 39.159922] softirqs last disabled at (1587): [] __irq_exit_rcu+0xc4/0x100 [ 39.161172] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.182458] ------------[ cut here ]------------ [ 42.183241] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.184925] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.186110] Modules linked in: [ 42.186636] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.188256] Tainted: [W]=WARN [ 42.188740] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.189934] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.190681] 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 [ 42.193293] RSP: 0018:ffff88801ae2fbc0 EFLAGS: 00010286 [ 42.194105] RAX: 0000000000000000 RBX: ffffed10035c5f78 RCX: ffffffff813a4050 [ 42.195141] RDX: ffff88801a840000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.196182] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035c5f2f [ 42.197217] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.198246] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ae2fdf8 [ 42.199281] FS: 00007f0480fd5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.200451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.201301] CR2: 00007f04814c7580 CR3: 00000000104bc000 CR4: 0000000000350ef0 [ 42.202332] Call Trace: [ 42.202741] [ 42.203074] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.203815] ? __create_object+0x59/0x80 [ 42.204412] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.205198] __vmalloc_noprof+0x59/0x60 [ 42.205811] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.206481] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.207240] bpf_prog_alloc+0x39/0x200 [ 42.207849] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.208609] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.209307] do_seccomp+0x349/0x25e0 [ 42.209890] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.210839] ? __pfx_do_seccomp+0x10/0x10 [ 42.211464] ? find_held_lock+0x2b/0x80 [ 42.212092] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.212889] ? static_key_count+0x60/0x80 [ 42.213553] prctl_set_seccomp+0x4e/0x70 [ 42.214158] __do_sys_prctl+0xe6c/0x1d70 [ 42.214793] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.215455] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.216243] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.217029] ? irqentry_exit+0xf3/0x650 [ 42.217651] do_syscall_64+0xbf/0x430 [ 42.218219] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.218986] RIP: 0033:0x7f04814c75cd [ 42.219718] 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 [ 42.222257] RSP: 002b:00007ffebd2ee0b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.223373] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f04814c75cd [ 42.224414] RDX: 0000556ba40bbe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.225464] RBP: 00007ffebd2ee110 R08: 0000000000000000 R09: 00007ffebd2ed7b0 [ 42.226523] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556ba8076240 [ 42.227606] R13: 00007ffebd2ee540 R14: 0000556ba807f380 R15: 0000556ba808a540 [ 42.228678] [ 42.229027] irq event stamp: 1701 [ 42.229573] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 42.230823] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 42.232092] softirqs last enabled at (1680): [] handle_softirqs+0x50c/0x770 [ 42.233361] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 42.234614] ---[ end trace 0000000000000000 ]--- [ 42.946135] ------------[ cut here ]------------ [ 42.947184] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.949565] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.951121] Modules linked in: [ 42.952108] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.954450] Tainted: [W]=WARN [ 42.955128] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.956791] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.957714] 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 [ 42.960914] RSP: 0018:ffff8880157bfbc0 EFLAGS: 00010286 [ 42.961896] RAX: 0000000000000000 RBX: ffffed1002af7f78 RCX: ffffffff813a4050 [ 42.963173] RDX: ffff888016bc9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.964467] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002af7f2f [ 42.965784] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.967070] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880157bfdf8 [ 42.968366] FS: 00007f3d784b4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.969828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.970899] CR2: 00007f3d789a6580 CR3: 000000000e54f000 CR4: 0000000000350ef0 [ 42.972213] Call Trace: [ 42.972718] [ 42.973137] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.974047] ? __create_object+0x59/0x80 [ 42.974836] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.975843] __vmalloc_noprof+0x59/0x60 [ 42.976614] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.977460] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.978409] bpf_prog_alloc+0x39/0x200 [ 42.979157] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.980113] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.981028] do_seccomp+0x349/0x25e0 [ 42.981759] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.982675] ? __pfx_do_seccomp+0x10/0x10 [ 42.983455] ? find_held_lock+0x2b/0x80 [ 42.984228] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.985214] ? static_key_count+0x60/0x80 [ 42.986033] prctl_set_seccomp+0x4e/0x70 [ 42.986828] __do_sys_prctl+0xe6c/0x1d70 [ 42.987647] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.988477] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.989455] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.990420] ? irqentry_exit+0xf3/0x650 [ 42.991199] do_syscall_64+0xbf/0x430 [ 42.991960] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.992930] RIP: 0033:0x7f3d789a65cd [ 42.993641] 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 [ 42.996910] RSP: 002b:00007ffde007f580 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.998318] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3d789a65cd [ 42.999651] RDX: 000055c5045cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.000966] RBP: 00007ffde007f5e0 R08: 0000000000000000 R09: 00007ffde007ec80 [ 43.002286] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c529982ad0 [ 43.003613] R13: 00007ffde007fa10 R14: 000055c529983bc0 R15: 000055c529994780 [ 43.004776] [ 43.005154] irq event stamp: 1879 [ 43.005731] hardirqs last enabled at (1889): [] __up_console_sem+0x78/0x80 [ 43.007095] hardirqs last disabled at (1898): [] __up_console_sem+0x5d/0x80 [ 43.008467] softirqs last enabled at (1818): [] handle_softirqs+0x50c/0x770 [ 43.009879] softirqs last disabled at (1813): [] __irq_exit_rcu+0xc4/0x100 [ 43.011234] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:8062' (ECDSA) to the list of known hosts. 2025/11/17 23:50:23 fuzzer started 2025/11/17 23:50:23 dialing manager at localhost:37895 2025/11/17 23:50:23 checking machine... 2025/11/17 23:50:23 checking revisions... [ 43.978204] kmemleak: Automatic memory scanning thread ended 2025/11/17 23:50:23 testing simple program... [ 44.060007] cgroup: Unknown subsys name 'net' [ 44.112402] cgroup: Unknown subsys name 'cpuset' [ 44.133627] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 23:50:22 Registers: info registers vcpu 0 RAX=ffffffff81ab4006 RBX=ffffffff81618fa0 RCX=ffff88806ce089e4 RDX=1ffff1100d9c115d RSI=ffffffff81ab4006 RDI=ffff88806ce08b58 RBP=ffff88806ce08b28 RSP=ffff88806ce08a88 R8 =0000000000000001 R9 =ffff88806ce08ad0 R10=000000000003c9ed R11=00000000000255ec R12=ffff88806ce08b58 R13=0000000000000000 R14=ffff888015abb780 R15=0000000000000000 RIP=ffffffff81618fa0 RFL=00000286 [--S--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 00007f72c7fff700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fa1d5334020 CR3=000000000f9b7000 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=2032323a30353a333220373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032323a30353a3332203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff81374aec RDX=ffff888009879bc0 RSI=ffffffff813748d8 RDI=ffffffff85e1ff20 RBP=000000000e4bc040 RSP=ffff88801a7df9e0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000001 R13=ffff88807ffd7650 R14=ffff88800cdfcc80 R15=ffff88800944cc80 RIP=ffffffff81528ec4 RFL=00000293 [--S-A-C] 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 00007f0480fd5900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0480fb4020 CR3=000000000e474000 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