[ 39.003862] ------------[ cut here ]------------ [ 39.004831] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.006870] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.008437] Modules linked in: [ 39.009100] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.011157] Tainted: [W]=WARN [ 39.011793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.013325] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.014279] 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 [ 39.017599] RSP: 0018:ffff88801ac5fbc0 EFLAGS: 00010286 [ 39.018627] RAX: 0000000000000000 RBX: ffffed100358bf78 RCX: ffffffff813a4050 [ 39.020149] RDX: ffff888013bc8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.021537] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100358bf2f [ 39.022895] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.024265] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ac5fdf8 [ 39.025648] FS: 00007f2ade193900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.027195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.028358] CR2: 00007f2ade685580 CR3: 000000000b6b2000 CR4: 0000000000350ef0 [ 39.029736] Call Trace: [ 39.030234] [ 39.030685] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.031611] ? __create_object+0x59/0x80 [ 39.032414] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.033474] __vmalloc_noprof+0x59/0x60 [ 39.034275] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.035143] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.036081] bpf_prog_alloc+0x39/0x200 [ 39.036795] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.037728] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.038622] do_seccomp+0x349/0x25e0 [ 39.039300] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.040190] ? __pfx_do_seccomp+0x10/0x10 [ 39.040966] ? find_held_lock+0x2b/0x80 [ 39.041717] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.042662] ? static_key_count+0x60/0x80 [ 39.043421] prctl_set_seccomp+0x4e/0x70 [ 39.044184] __do_sys_prctl+0xe6c/0x1d70 [ 39.044941] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.045797] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.046761] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.047723] ? irqentry_exit+0xf3/0x650 [ 39.048431] do_syscall_64+0xbf/0x430 [ 39.049159] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.050094] RIP: 0033:0x7f2ade6855cd [ 39.050793] 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 [ 39.053884] RSP: 002b:00007ffe9bc19530 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.055214] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ade6855cd [ 39.056483] RDX: 0000564b731d1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.057769] RBP: 00007ffe9bc19590 R08: 0000000000000000 R09: 00007ffe9bc18c30 [ 39.059046] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564b82650b10 [ 39.060317] R13: 00007ffe9bc199c0 R14: 0000564b826512b0 R15: 0000564b826656f0 [ 39.061615] [ 39.062043] irq event stamp: 1767 [ 39.062664] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 39.064180] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 39.065689] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 39.067193] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 39.068633] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.143676] ------------[ cut here ]------------ [ 42.144713] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.146934] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.148596] Modules linked in: [ 42.149263] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.151782] Tainted: [W]=WARN [ 42.152414] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.154133] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.155158] 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 [ 42.158725] RSP: 0018:ffff88801357fbc0 EFLAGS: 00010286 [ 42.159836] RAX: 0000000000000000 RBX: ffffed10026aff78 RCX: ffffffff813a4050 [ 42.161286] RDX: ffff888015b5b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.162717] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10026aff2f [ 42.164163] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.165606] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801357fdf8 [ 42.167046] FS: 00007f754b054900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.168664] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.169845] CR2: 00007f754b546580 CR3: 000000000cf4e000 CR4: 0000000000350ef0 [ 42.171270] Call Trace: [ 42.171841] [ 42.172309] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.173297] ? __create_object+0x59/0x80 [ 42.174155] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.175224] __vmalloc_noprof+0x59/0x60 [ 42.176086] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.177057] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.178119] bpf_prog_alloc+0x39/0x200 [ 42.178941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.179994] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.180993] do_seccomp+0x349/0x25e0 [ 42.181788] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.182789] ? __pfx_do_seccomp+0x10/0x10 [ 42.183675] ? find_held_lock+0x2b/0x80 [ 42.184475] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.185567] ? static_key_count+0x60/0x80 [ 42.186400] prctl_set_seccomp+0x4e/0x70 [ 42.187256] __do_sys_prctl+0xe6c/0x1d70 [ 42.188127] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.189063] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.190133] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.191212] ? irqentry_exit+0xf3/0x650 [ 42.192059] do_syscall_64+0xbf/0x430 [ 42.192882] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.193939] RIP: 0033:0x7f754b5465cd [ 42.194722] 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 [ 42.198250] RSP: 002b:00007ffe843907e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.199785] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f754b5465cd [ 42.201048] RDX: 00005633ca87ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.202256] RBP: 00007ffe84390840 R08: 0000000000000000 R09: 00007ffe8438fee0 [ 42.203476] R10: 0000000000000000 R11: 0000000000000246 R12: 00005633e3a08ad0 [ 42.204687] R13: 00007ffe84390c70 R14: 00005633e3a09bc0 R15: 00005633e3a1a780 [ 42.205905] [ 42.206298] irq event stamp: 1807 [ 42.206905] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 42.208324] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.209756] softirqs last enabled at (1542): [] handle_softirqs+0x50c/0x770 [ 42.211190] softirqs last disabled at (1537): [] __irq_exit_rcu+0xc4/0x100 [ 42.212607] ---[ end trace 0000000000000000 ]--- [ 42.950431] ------------[ cut here ]------------ [ 42.951191] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.952963] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.954161] Modules linked in: [ 42.954685] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.956350] Tainted: [W]=WARN [ 42.956855] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.958078] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.958994] 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 [ 42.961636] RSP: 0018:ffff888016707bc0 EFLAGS: 00010286 [ 42.962410] RAX: 0000000000000000 RBX: ffffed1002ce0f78 RCX: ffffffff813a4050 [ 42.963484] RDX: ffff88800fb21bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.964791] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ce0f2f [ 42.965870] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.966931] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016707df8 [ 42.968084] FS: 00007f674e384900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.969292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.970186] CR2: 00007f674e876580 CR3: 000000002025f000 CR4: 0000000000350ef0 [ 42.971256] Call Trace: [ 42.971690] [ 42.972031] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.972781] ? __create_object+0x59/0x80 [ 42.973391] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.974191] __vmalloc_noprof+0x59/0x60 [ 42.974818] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.975552] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.976299] bpf_prog_alloc+0x39/0x200 [ 42.976922] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.977697] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.978411] do_seccomp+0x349/0x25e0 [ 42.979006] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.979768] ? __pfx_do_seccomp+0x10/0x10 [ 42.980389] ? find_held_lock+0x2b/0x80 [ 42.981025] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.981829] ? static_key_count+0x60/0x80 [ 42.982455] prctl_set_seccomp+0x4e/0x70 [ 42.983099] __do_sys_prctl+0xe6c/0x1d70 [ 42.983763] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.984440] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.985243] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.986056] ? irqentry_exit+0xf3/0x650 [ 42.986701] do_syscall_64+0xbf/0x430 [ 42.987280] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.988085] RIP: 0033:0x7f674e8765cd [ 42.988667] 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 [ 42.991297] RSP: 002b:00007ffd24256250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.992446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f674e8765cd [ 42.993504] RDX: 0000558036e16e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.994600] RBP: 00007ffd242562b0 R08: 0000000000000000 R09: 00007ffd24255950 [ 42.995677] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558057154240 [ 42.996750] R13: 00007ffd242566e0 R14: 000055805715d380 R15: 0000558057168540 [ 42.997841] [ 42.998194] irq event stamp: 1701 [ 42.998742] hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80 [ 43.000022] hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80 [ 43.001286] softirqs last enabled at (1452): [] handle_softirqs+0x50c/0x770 [ 43.002566] softirqs last disabled at (1445): [] __irq_exit_rcu+0xc4/0x100 [ 43.003834] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:61609' (ECDSA) to the list of known hosts. 2025/11/18 14:52:34 fuzzer started 2025/11/18 14:52:34 dialing manager at localhost:34383 2025/11/18 14:52:34 checking machine... 2025/11/18 14:52:34 checking revisions... [ 43.873429] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:52:34 testing simple program... [ 43.959190] cgroup: Unknown subsys name 'net' [ 44.012612] cgroup: Unknown subsys name 'cpuset' [ 44.030474] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:52:33 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880096278c0 RCX=0000000000000004 RDX=0000000000000070 RSI=0000000000000000 RDI=ffff888009627870 RBP=ffff888009611bc0 RSP=ffff8880096277d0 R8 =0000000000000001 R9 =0000000000000000 R10=ffff888009627828 R11=0000000000000001 R12=0000000000000000 R13=ffff888009627850 R14=ffff888009611bc0 R15=ffff888009627828 RIP=ffffffff84c73c92 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1ba40a1790 CR3=00000000202c7000 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=9757d2a4b7e07fef00000000000ae988 XMM05=1319e678c5640f8a00000000003220f0 XMM06=1c9d3f5f5a5fd6360000000000322058 XMM07=58f17c1affdc82d60000000000312ac8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000000 RCX=0000000000000cc0 RDX=0000000000000001 RSI=0000000000000138 RDI=0000000000000cc0 RBP=ffff88801642fd10 RSP=ffff88801642fc60 R8 =ffff888008c4b780 R9 =ffff88806ca9f180 R10=0000000000000001 R11=0000000000000000 R12=ffff88800918eeb0 R13=0000000000000138 R14=0000000000000001 R15=0000000000000cc0 RIP=ffffffff81b62197 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 00007f754b054900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe8438a000 CR3=000000000e08c000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000