[ 46.649364] ------------[ cut here ]------------ [ 46.650228] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.652422] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 46.654069] Modules linked in: [ 46.654781] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.656743] Tainted: [W]=WARN [ 46.657329] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.658804] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.659734] 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 [ 46.662883] RSP: 0018:ffff888019d07bc0 EFLAGS: 00010286 [ 46.663850] RAX: 0000000000000000 RBX: ffffed10033a0f78 RCX: ffffffff813a4050 [ 46.665118] RDX: ffff88801720d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.666411] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033a0f2f [ 46.667679] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.668934] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019d07df8 [ 46.670208] FS: 00007f83437b3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.671667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.672731] CR2: 00007f8343ca5580 CR3: 000000000e7ff000 CR4: 0000000000350ef0 [ 46.674015] Call Trace: [ 46.674533] [ 46.674944] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.675835] ? __create_object+0x59/0x80 [ 46.676609] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.677577] __vmalloc_noprof+0x59/0x60 [ 46.678344] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.679158] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.680094] bpf_prog_alloc+0x39/0x200 [ 46.680839] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.681774] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.682689] do_seccomp+0x349/0x25e0 [ 46.683389] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.684247] ? __pfx_do_seccomp+0x10/0x10 [ 46.685050] ? find_held_lock+0x2b/0x80 [ 46.685805] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.686793] ? static_key_count+0x60/0x80 [ 46.687590] prctl_set_seccomp+0x4e/0x70 [ 46.688377] __do_sys_prctl+0xe6c/0x1d70 [ 46.689114] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.689973] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.690966] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.691932] ? irqentry_exit+0xf3/0x650 [ 46.692719] do_syscall_64+0xbf/0x430 [ 46.693458] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.694411] RIP: 0033:0x7f8343ca55cd [ 46.695064] 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 [ 46.698237] RSP: 002b:00007ffe9336c3a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.699625] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8343ca55cd [ 46.700915] RDX: 000055f49dcc2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.702192] RBP: 00007ffe9336c400 R08: 0000000000000000 R09: 00007ffe9336baa0 [ 46.703519] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f4bdc4bb10 [ 46.704810] R13: 00007ffe9336c830 R14: 000055f4bdc4c2b0 R15: 000055f4bdc606f0 [ 46.706118] [ 46.706595] irq event stamp: 1781 [ 46.707191] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 46.708708] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 46.710234] softirqs last enabled at (1420): [] handle_softirqs+0x50c/0x770 [ 46.711792] softirqs last disabled at (1415): [] __irq_exit_rcu+0xc4/0x100 [ 46.713312] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.176966] ------------[ cut here ]------------ [ 50.177725] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.179400] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/239 [ 50.180616] Modules linked in: [ 50.181108] CPU: 1 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.183032] Tainted: [W]=WARN [ 50.183562] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.184797] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.185565] 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 [ 50.188198] RSP: 0018:ffff888019a2fbc0 EFLAGS: 00010286 [ 50.189019] RAX: 0000000000000000 RBX: ffffed1003345f78 RCX: ffffffff813a4050 [ 50.190087] RDX: ffff88800a9ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.191166] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003345f2f [ 50.192213] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.193252] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019a2fdf8 [ 50.194322] FS: 00007f79ec368900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.195510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.196382] CR2: 00007ffd580c6ef7 CR3: 000000000b744000 CR4: 0000000000350ef0 [ 50.197441] Call Trace: [ 50.197824] [ 50.198160] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.198910] ? __create_object+0x59/0x80 [ 50.199547] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.200344] __vmalloc_noprof+0x59/0x60 [ 50.200933] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.201653] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.202445] bpf_prog_alloc+0x39/0x200 [ 50.203020] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.203789] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.204547] do_seccomp+0x349/0x25e0 [ 50.205104] ? find_held_lock+0x2b/0x80 [ 50.205730] ? do_prlimit+0x310/0x610 [ 50.206354] ? __pfx_do_seccomp+0x10/0x10 [ 50.206978] ? do_raw_spin_unlock+0x53/0x220 [ 50.207668] ? _raw_spin_unlock+0x1e/0x40 [ 50.208278] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.209079] ? static_key_count+0x60/0x80 [ 50.209748] prctl_set_seccomp+0x4e/0x70 [ 50.210406] __do_sys_prctl+0xe6c/0x1d70 [ 50.211013] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.211738] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.212551] ? irqentry_exit+0xf3/0x650 [ 50.213149] do_syscall_64+0xbf/0x430 [ 50.213774] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.214580] RIP: 0033:0x7f79ec85a5cd [ 50.215125] 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 [ 50.217753] RSP: 002b:00007ffd580c4a50 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.218891] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f79ec85a5cd [ 50.219959] RDX: 000055ca63e4ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.221020] RBP: 00007ffd580c4ab0 R08: 0000000000000000 R09: 00007ffd580c4150 [ 50.222092] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ca9c969ad0 [ 50.223161] R13: 00007ffd580c4ee0 R14: 000055ca9c96abc0 R15: 000055ca9c97b780 [ 50.224233] [ 50.224621] irq event stamp: 1815 [ 50.225120] hardirqs last enabled at (1823): [] __up_console_sem+0x78/0x80 [ 50.226396] hardirqs last disabled at (1832): [] __up_console_sem+0x5d/0x80 [ 50.227653] softirqs last enabled at (1350): [] handle_softirqs+0x50c/0x770 [ 50.228943] softirqs last disabled at (1339): [] __irq_exit_rcu+0xc4/0x100 [ 50.230198] ---[ end trace 0000000000000000 ]--- [ 51.018146] ------------[ cut here ]------------ [ 51.019157] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.021318] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/246 [ 51.022850] Modules linked in: [ 51.023489] CPU: 0 UID: 104 PID: 246 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.025787] Tainted: [W]=WARN [ 51.026597] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.028468] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.029653] 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 [ 51.033160] RSP: 0018:ffff88800da57bc0 EFLAGS: 00010286 [ 51.034182] RAX: 0000000000000000 RBX: ffffed1001b4af78 RCX: ffffffff813a4050 [ 51.035515] RDX: ffff88800f081bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.036837] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b4af2f [ 51.038164] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.039494] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800da57df8 [ 51.040852] FS: 00007f2a3922c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 51.042348] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.043479] CR2: 00007fff36973ef7 CR3: 000000000dc77000 CR4: 0000000000350ef0 [ 51.044828] Call Trace: [ 51.045348] [ 51.045793] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.046751] ? __create_object+0x59/0x80 [ 51.047563] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.048614] __vmalloc_noprof+0x59/0x60 [ 51.049423] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.050349] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.051326] bpf_prog_alloc+0x39/0x200 [ 51.052157] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.053134] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.054051] do_seccomp+0x349/0x25e0 [ 51.054832] ? find_held_lock+0x2b/0x80 [ 51.055629] ? do_prlimit+0x310/0x610 [ 51.056404] ? __pfx_do_seccomp+0x10/0x10 [ 51.057162] ? do_raw_spin_unlock+0x53/0x220 [ 51.058037] ? _raw_spin_unlock+0x1e/0x40 [ 51.058900] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.059907] ? static_key_count+0x60/0x80 [ 51.060751] prctl_set_seccomp+0x4e/0x70 [ 51.061532] __do_sys_prctl+0xe6c/0x1d70 [ 51.062353] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.063207] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.064239] ? irqentry_exit+0xf3/0x650 [ 51.065029] do_syscall_64+0xbf/0x430 [ 51.065816] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.066859] RIP: 0033:0x7f2a3971e5cd [ 51.067605] 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 [ 51.070937] RSP: 002b:00007fff36971380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.072336] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2a3971e5cd [ 51.073667] RDX: 00005629e5b0ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.075005] RBP: 00007fff369713e0 R08: 0000000000000000 R09: 00007fff36970a80 [ 51.076328] R10: 0000000000000000 R11: 0000000000000246 R12: 00005629e758fad0 [ 51.077714] R13: 00007fff36971810 R14: 00005629e7590bc0 R15: 00005629e75a1780 [ 51.079166] [ 51.079853] irq event stamp: 1757 [ 51.080619] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 51.082427] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 51.083917] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 51.085413] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 51.086898] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23908' (ECDSA) to the list of known hosts. 2025/11/17 15:51:03 fuzzer started 2025/11/17 15:51:04 dialing manager at localhost:37895 2025/11/17 15:51:04 checking machine... 2025/11/17 15:51:04 checking revisions... [ 52.021423] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:51:04 testing simple program... [ 52.113672] cgroup: Unknown subsys name 'net' [ 52.180183] cgroup: Unknown subsys name 'cpuset' [ 52.194090] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:51:03 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88800f52ae20 RCX=ffff8880153d7874 RDX=ffff888015125340 RSI=ffffffff81c2d150 RDI=ffff88800f52ae20 RBP=ffff8880153d79b8 RSP=ffff8880153d78d0 R8 =0000000000000000 R9 =ffffed10027bf5be R10=0000000000000001 R11=0000000000000001 R12=ffff88800dad9980 R13=1ffff11002a7af22 R14=ffff8880153d7930 R15=ffff88800dad9a00 RIP=ffffffff81751c70 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 00007f2ebd096900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd2d076868 CR3=000000000c853000 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=7e3300518a06281500000000000ae988 XMM05=ff5814125e2ec296000000000031f310 XMM06=0b39c798a71319b6000000000031e0e8 XMM07=fb795ef6d6577056000000000030e428 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff8880151df310 RCX=ffff8880151df19c RDX=1ffff11002a3be71 RSI=ffffffff81b2a134 RDI=ffff8880151df31c RBP=ffff8880151df388 RSP=ffff8880151df228 R8 =ffffffff86ab82c2 R9 =ffff8880151df288 R10=000000000003c9ed R11=00000000000255cb R12=ffff8880151df310 R13=0000000000000000 R14=ffff888019be1bc0 R15=ffff8880096c78c0 RIP=ffffffff81619077 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 00007f79ec368900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd580be000 CR3=0000000020353000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000