[ 39.579611] ------------[ cut here ]------------ [ 39.580420] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.582091] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.583814] Modules linked in: [ 39.584306] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.585950] Tainted: [W]=WARN [ 39.586446] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.587656] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.588419] 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 [ 39.591042] RSP: 0018:ffff8880163b7bc0 EFLAGS: 00010286 [ 39.591881] RAX: 0000000000000000 RBX: ffffed1002c76f78 RCX: ffffffff813a4050 [ 39.592953] RDX: ffff8880177c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.594029] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c76f2f [ 39.595088] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.596173] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880163b7df8 [ 39.597250] FS: 00007fd59c7b7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.598449] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.599291] CR2: 00007ffd77fd0ef7 CR3: 000000000bae4000 CR4: 0000000000350ef0 [ 39.600374] Call Trace: [ 39.600758] [ 39.601099] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.601828] ? __create_object+0x59/0x80 [ 39.602461] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.603226] __vmalloc_noprof+0x59/0x60 [ 39.603864] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.604593] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.605328] bpf_prog_alloc+0x39/0x200 [ 39.605932] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.606694] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.607435] do_seccomp+0x349/0x25e0 [ 39.608015] ? find_held_lock+0x2b/0x80 [ 39.608660] ? do_prlimit+0x310/0x610 [ 39.609236] ? __pfx_do_seccomp+0x10/0x10 [ 39.609876] ? do_raw_spin_unlock+0x53/0x220 [ 39.610564] ? _raw_spin_unlock+0x1e/0x40 [ 39.611171] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.611977] ? static_key_count+0x60/0x80 [ 39.612636] prctl_set_seccomp+0x4e/0x70 [ 39.613253] __do_sys_prctl+0xe6c/0x1d70 [ 39.613906] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.614611] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.615411] ? irqentry_exit+0xf3/0x650 [ 39.616009] do_syscall_64+0xbf/0x430 [ 39.616622] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.617405] RIP: 0033:0x7fd59cca95cd [ 39.617964] 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 [ 39.620591] RSP: 002b:00007ffd77fcf7a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.621725] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd59cca95cd [ 39.622786] RDX: 000055b53437be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.623861] RBP: 00007ffd77fcf800 R08: 0000000000000000 R09: 00007ffd77fceea0 [ 39.624922] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b567072240 [ 39.625990] R13: 00007ffd77fcfc30 R14: 000055b567071bf0 R15: 000055b5670864d0 [ 39.627071] [ 39.627446] irq event stamp: 1753 [ 39.627959] hardirqs last enabled at (1761): [] __up_console_sem+0x78/0x80 [ 39.629201] hardirqs last disabled at (1770): [] __up_console_sem+0x5d/0x80 [ 39.630470] softirqs last enabled at (1562): [] handle_softirqs+0x50c/0x770 [ 39.631748] softirqs last disabled at (1557): [] __irq_exit_rcu+0xc4/0x100 [ 39.633028] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.339104] ------------[ cut here ]------------ [ 42.340036] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.342060] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.343513] Modules linked in: [ 42.344119] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.346110] Tainted: [W]=WARN [ 42.348099] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.349668] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.350596] 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 [ 42.353797] RSP: 0018:ffff88801a76fbc0 EFLAGS: 00010286 [ 42.354773] RAX: 0000000000000000 RBX: ffffed10034edf78 RCX: ffffffff813a4050 [ 42.356073] RDX: ffff88801619d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.357379] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034edf2f [ 42.358660] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.359952] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a76fdf8 [ 42.361237] FS: 00007f0467826900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.362668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.363737] CR2: 00007f0467d18580 CR3: 000000000d839000 CR4: 0000000000350ef0 [ 42.365035] Call Trace: [ 42.365534] [ 42.365941] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.366836] ? __create_object+0x59/0x80 [ 42.367619] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.368608] __vmalloc_noprof+0x59/0x60 [ 42.369317] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.370187] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.371118] bpf_prog_alloc+0x39/0x200 [ 42.371865] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.372785] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.373700] do_seccomp+0x349/0x25e0 [ 42.374423] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.375279] ? __pfx_do_seccomp+0x10/0x10 [ 42.376078] ? find_held_lock+0x2b/0x80 [ 42.376851] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.377815] ? static_key_count+0x60/0x80 [ 42.378617] prctl_set_seccomp+0x4e/0x70 [ 42.379348] __do_sys_prctl+0xe6c/0x1d70 [ 42.380157] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.381025] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.381999] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.382964] ? irqentry_exit+0xf3/0x650 [ 42.383726] do_syscall_64+0xbf/0x430 [ 42.384477] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.385433] RIP: 0033:0x7f0467d185cd [ 42.386090] 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 [ 42.389311] RSP: 002b:00007ffdece026c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.390689] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0467d185cd [ 42.391986] RDX: 0000563b2124ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.393260] RBP: 00007ffdece02720 R08: 0000000000000000 R09: 00007ffdece01dc0 [ 42.394545] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563b4faf5ad0 [ 42.395834] R13: 00007ffdece02b50 R14: 0000563b4faf6bc0 R15: 0000563b4fb07780 [ 42.397059] [ 42.397447] irq event stamp: 2069 [ 42.397966] hardirqs last enabled at (2077): [] __up_console_sem+0x78/0x80 [ 42.399244] hardirqs last disabled at (2086): [] __up_console_sem+0x5d/0x80 [ 42.400522] softirqs last enabled at (2006): [] handle_softirqs+0x50c/0x770 [ 42.401818] softirqs last disabled at (2001): [] __irq_exit_rcu+0xc4/0x100 [ 42.403086] ---[ end trace 0000000000000000 ]--- [ 43.081246] ------------[ cut here ]------------ [ 43.082042] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.083782] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.085049] Modules linked in: [ 43.085599] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.087538] Tainted: [W]=WARN [ 43.088019] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.089653] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.090422] 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 [ 43.093134] RSP: 0018:ffff88801603fbc0 EFLAGS: 00010286 [ 43.094254] RAX: 0000000000000000 RBX: ffffed1002c07f78 RCX: ffffffff813a4050 [ 43.095448] RDX: ffff888018a41bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.096612] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c07f2f [ 43.097713] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.098836] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801603fdf8 [ 43.099958] FS: 00007ff5ccc53900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.101221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.102138] CR2: 00007ff5cd145580 CR3: 000000000dc85000 CR4: 0000000000350ef0 [ 43.103272] Call Trace: [ 43.103681] [ 43.104031] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.104777] ? __create_object+0x59/0x80 [ 43.105432] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.106194] __vmalloc_noprof+0x59/0x60 [ 43.106817] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.107540] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.108278] bpf_prog_alloc+0x39/0x200 [ 43.108885] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.109655] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.110393] do_seccomp+0x349/0x25e0 [ 43.110946] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.111695] ? __pfx_do_seccomp+0x10/0x10 [ 43.112330] ? find_held_lock+0x2b/0x80 [ 43.112956] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.113752] ? static_key_count+0x60/0x80 [ 43.114413] prctl_set_seccomp+0x4e/0x70 [ 43.115014] __do_sys_prctl+0xe6c/0x1d70 [ 43.115670] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.116387] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.117144] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.117937] ? irqentry_exit+0xf3/0x650 [ 43.118554] do_syscall_64+0xbf/0x430 [ 43.119123] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.119919] RIP: 0033:0x7ff5cd1455cd [ 43.120492] 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 [ 43.123109] RSP: 002b:00007ffc01eaf110 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.124235] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff5cd1455cd [ 43.125288] RDX: 0000561a2c822e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.126340] RBP: 00007ffc01eaf170 R08: 0000000000000000 R09: 00007ffc01eae810 [ 43.127408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561a35231240 [ 43.128488] R13: 00007ffc01eaf5a0 R14: 0000561a35230bf0 R15: 0000561a352454d0 [ 43.129552] [ 43.129901] irq event stamp: 1771 [ 43.130441] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 43.131690] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 43.132978] softirqs last enabled at (1378): [] handle_softirqs+0x50c/0x770 [ 43.134274] softirqs last disabled at (1369): [] __irq_exit_rcu+0xc4/0x100 [ 43.135522] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21575' (ECDSA) to the list of known hosts. 2025/11/18 16:50:44 fuzzer started 2025/11/18 16:50:44 dialing manager at localhost:34383 2025/11/18 16:50:44 checking machine... 2025/11/18 16:50:44 checking revisions... [ 43.914118] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:50:44 testing simple program... [ 44.011514] cgroup: Unknown subsys name 'net' [ 44.066272] cgroup: Unknown subsys name 'cpuset' [ 44.088743] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:50:43 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00000000691ca3e3 RCX=ffffffff81c0564a RDX=ffff888013b5d340 RSI=ffffffff81c05562 RDI=0000000000000006 RBP=ffff8880158a7790 RSP=ffff8880158a76f0 R8 =0000000000000001 R9 =0000000000000001 R10=00000000691ca3e3 R11=0000000000000001 R12=0000000000000001 R13=0000000031d265e0 R14=8000000000000000 R15=00000000691ca3e3 RIP=ffffffff81751e08 RFL=00000a16 [-O--AP-] 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 00007f4ba6834900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4ba5f4c210 CR3=000000000e4f8000 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=2e5a3f8288b0feb000000000000ae988 XMM05=404a08baac3047e70000000000321810 XMM06=474038aa6c007e1f0000000000320340 XMM07=fb795ef6d6577056000000000030ff20 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffff8880168a7730 RDX=0000000000000000 RSI=ffffffff81a4585c RDI=ffff88801619bb7c RBP=ffff88801619b780 RSP=ffff8880168a74f0 R8 =0000000000000001 R9 =0000000000000000 R10=ffff8880168a7770 R11=0000000000000001 R12=ffff88800dcd09e0 R13=1ffff11002d14eac R14=ffff88800dcd09e0 R15=00007f0467805000 RIP=ffffffff815bd76c RFL=00000202 [-------] 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 00007f0467826900 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=00007f0467800c94 CR3=000000000d423000 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