[ 46.054641] ------------[ cut here ]------------ [ 46.055746] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.058276] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 46.060153] Modules linked in: [ 46.060931] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.063047] Tainted: [W]=WARN [ 46.063720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.065296] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.066240] 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 [ 46.069534] RSP: 0018:ffff88801697fbc0 EFLAGS: 00010286 [ 46.070561] RAX: 0000000000000000 RBX: ffffed1002d2ff78 RCX: ffffffff813a4050 [ 46.071913] RDX: ffff888016140000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.073229] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d2ff2f [ 46.074577] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.075939] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801697fdf8 [ 46.077253] FS: 00007f180e43c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.078771] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.079887] CR2: 00007fff2e892ef8 CR3: 000000000da2a000 CR4: 0000000000350ef0 [ 46.081199] Call Trace: [ 46.081751] [ 46.082163] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.083156] ? __create_object+0x59/0x80 [ 46.083974] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.084985] __vmalloc_noprof+0x59/0x60 [ 46.085848] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.086775] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.087769] bpf_prog_alloc+0x39/0x200 [ 46.088521] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.089423] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.090356] do_seccomp+0x349/0x25e0 [ 46.091144] ? find_held_lock+0x2b/0x80 [ 46.091948] ? do_prlimit+0x310/0x610 [ 46.092728] ? __pfx_do_seccomp+0x10/0x10 [ 46.093553] ? do_raw_spin_unlock+0x53/0x220 [ 46.094349] ? _raw_spin_unlock+0x1e/0x40 [ 46.095189] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.096203] ? static_key_count+0x60/0x80 [ 46.097036] prctl_set_seccomp+0x4e/0x70 [ 46.097848] __do_sys_prctl+0xe6c/0x1d70 [ 46.098681] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.099604] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.100607] ? irqentry_exit+0xf3/0x650 [ 46.101332] do_syscall_64+0xbf/0x430 [ 46.102102] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.103123] RIP: 0033:0x7f180e92e5cd [ 46.103857] 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 [ 46.107127] RSP: 002b:00007fff2e891cf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.108360] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f180e92e5cd [ 46.109481] RDX: 0000564191d88e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.110606] RBP: 00007fff2e891d50 R08: 0000000000000000 R09: 00007fff2e8913f0 [ 46.111741] R10: 0000000000000000 R11: 0000000000000246 R12: 00005641a4725ad0 [ 46.112850] R13: 00007fff2e892180 R14: 00005641a4726bc0 R15: 00005641a4737780 [ 46.113965] [ 46.114322] irq event stamp: 1783 [ 46.114887] hardirqs last enabled at (1793): [] __up_console_sem+0x78/0x80 [ 46.116217] hardirqs last disabled at (1802): [] __up_console_sem+0x5d/0x80 [ 46.117550] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 46.118882] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 46.120202] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.518744] ------------[ cut here ]------------ [ 49.519698] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.522299] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.524000] Modules linked in: [ 49.524722] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.526746] Tainted: [W]=WARN [ 49.527312] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.528800] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.529724] 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 [ 49.532925] RSP: 0018:ffff888017e27bc0 EFLAGS: 00010286 [ 49.533922] RAX: 0000000000000000 RBX: ffffed1002fc4f78 RCX: ffffffff813a4050 [ 49.535213] RDX: ffff8880163e8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.536511] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fc4f2f [ 49.537793] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.539094] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017e27df8 [ 49.540384] FS: 00007fc4f700c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.541831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.542902] CR2: 00007ffec7fe2ef8 CR3: 000000000f651000 CR4: 0000000000350ef0 [ 49.544211] Call Trace: [ 49.544720] [ 49.545143] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.546060] ? __create_object+0x59/0x80 [ 49.546849] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.547954] __vmalloc_noprof+0x59/0x60 [ 49.548730] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.549615] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.550544] bpf_prog_alloc+0x39/0x200 [ 49.551267] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.552207] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.553114] do_seccomp+0x349/0x25e0 [ 49.553838] ? find_held_lock+0x2b/0x80 [ 49.554595] ? do_prlimit+0x310/0x610 [ 49.555309] ? __pfx_do_seccomp+0x10/0x10 [ 49.556100] ? do_raw_spin_unlock+0x53/0x220 [ 49.556936] ? _raw_spin_unlock+0x1e/0x40 [ 49.557709] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.558655] ? static_key_count+0x60/0x80 [ 49.559412] prctl_set_seccomp+0x4e/0x70 [ 49.560198] __do_sys_prctl+0xe6c/0x1d70 [ 49.560971] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.561824] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.562815] ? irqentry_exit+0xf3/0x650 [ 49.563585] do_syscall_64+0xbf/0x430 [ 49.564290] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.565239] RIP: 0033:0x7fc4f74fe5cd [ 49.565930] 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 [ 49.569366] RSP: 002b:00007ffec7fe19f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.570863] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc4f74fe5cd [ 49.572186] RDX: 000056145466ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.573539] RBP: 00007ffec7fe1a50 R08: 0000000000000000 R09: 00007ffec7fe10f0 [ 49.575185] R10: 0000000000000000 R11: 0000000000000246 R12: 00005614717f7ad0 [ 49.576592] R13: 00007ffec7fe1e80 R14: 00005614717f8bc0 R15: 0000561471809780 [ 49.578019] [ 49.578376] irq event stamp: 1859 [ 49.578907] hardirqs last enabled at (1869): [] __up_console_sem+0x78/0x80 [ 49.580335] hardirqs last disabled at (1878): [] __up_console_sem+0x5d/0x80 [ 49.581598] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 49.583053] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 49.584507] ---[ end trace 0000000000000000 ]--- [ 50.420737] ------------[ cut here ]------------ [ 50.421679] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.423707] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 50.425162] Modules linked in: [ 50.425797] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.427797] Tainted: [W]=WARN [ 50.428349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.429802] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.430720] 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 [ 50.433867] RSP: 0018:ffff888016a1fbc0 EFLAGS: 00010286 [ 50.434843] RAX: 0000000000000000 RBX: ffffed1002d43f78 RCX: ffffffff813a4050 [ 50.436126] RDX: ffff8880169e5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.437400] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d43f2f [ 50.438669] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.439966] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a1fdf8 [ 50.441254] FS: 00007f42996eb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.442680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.443755] CR2: 00007fff41274ef8 CR3: 00000000139e9000 CR4: 0000000000350ef0 [ 50.445027] Call Trace: [ 50.445518] [ 50.445938] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.446835] ? __create_object+0x59/0x80 [ 50.447610] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.448584] __vmalloc_noprof+0x59/0x60 [ 50.449290] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.450163] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.451081] bpf_prog_alloc+0x39/0x200 [ 50.451812] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.452742] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.453633] do_seccomp+0x349/0x25e0 [ 50.454321] ? find_held_lock+0x2b/0x80 [ 50.455088] ? do_prlimit+0x310/0x610 [ 50.455829] ? __pfx_do_seccomp+0x10/0x10 [ 50.456620] ? do_raw_spin_unlock+0x53/0x220 [ 50.457402] ? _raw_spin_unlock+0x1e/0x40 [ 50.458170] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.459141] ? static_key_count+0x60/0x80 [ 50.459929] prctl_set_seccomp+0x4e/0x70 [ 50.460700] __do_sys_prctl+0xe6c/0x1d70 [ 50.461435] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.462305] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.463293] ? irqentry_exit+0xf3/0x650 [ 50.464044] do_syscall_64+0xbf/0x430 [ 50.464775] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.465717] RIP: 0033:0x7f4299bdd5cd [ 50.466373] 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 [ 50.469518] RSP: 002b:00007fff41273b80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.470876] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4299bdd5cd [ 50.472174] RDX: 0000557ddae59e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.473440] RBP: 00007fff41273be0 R08: 0000000000000000 R09: 00007fff41273280 [ 50.474738] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557de1da32b0 [ 50.476038] R13: 00007fff41274010 R14: 0000557de1da5d20 R15: 0000557de1db78d0 [ 50.477341] [ 50.477808] irq event stamp: 1763 [ 50.478406] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 50.479923] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 50.481437] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 50.482989] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 50.484524] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37113' (ECDSA) to the list of known hosts. 2025/11/17 17:57:36 fuzzer started 2025/11/17 17:57:37 dialing manager at localhost:37895 2025/11/17 17:57:37 checking machine... 2025/11/17 17:57:37 checking revisions... [ 51.355142] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:57:37 testing simple program... [ 51.437379] cgroup: Unknown subsys name 'net' [ 51.497626] cgroup: Unknown subsys name 'cpuset' [ 51.511544] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:57:36 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880163eb780 RCX=ffffffff81778b0b RDX=1ffff1100276a751 RSI=ffffffff81778b1d RDI=ffff888013b53a88 RBP=ffff888013b53480 RSP=ffff88806ce08d10 R8 =ffffffff85a8dc80 R9 =0000000000000000 R10=00000000000f4240 R11=0000000000000001 R12=00000000000f4240 R13=00000000058add65 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff81778b40 RFL=00000046 [---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 00007f85108a9700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffa4b78b420 CR3=000000000d2f8000 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=2036333a37353a373120373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035333a37353a3731203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000007 RBX=0000000000000000 RCX=ffffffff83c643d0 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000000 RBP=ffff88800a3cfe48 RSP=ffff88800a3cfb50 R8 =0000000000000000 R9 =ffffed1001479f79 R10=0000000000000000 R11=0000000000000001 R12=0000000000000014 R13=0000000000000000 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81751798 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 00007fc4f700c900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffec7fdb000 CR3=000000002027c000 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=563412feff00545000000000000080fe 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