[ 39.104689] ------------[ cut here ]------------ [ 39.105611] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.107580] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.109023] Modules linked in: [ 39.109626] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.111583] Tainted: [W]=WARN [ 39.112172] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.113635] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.114540] 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 [ 39.117689] RSP: 0018:ffff888015e1fbc0 EFLAGS: 00010286 [ 39.118650] RAX: 0000000000000000 RBX: ffffed1002bc3f78 RCX: ffffffff813a4050 [ 39.119918] RDX: ffff8880168fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.121186] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bc3f2f [ 39.122437] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.123700] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015e1fdf8 [ 39.124985] FS: 00007ff207006900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.126408] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.127454] CR2: 00007ff2074f8580 CR3: 000000000e98f000 CR4: 0000000000350ef0 [ 39.128729] Call Trace: [ 39.129230] [ 39.129643] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.130528] ? __create_object+0x59/0x80 [ 39.131293] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.132248] __vmalloc_noprof+0x59/0x60 [ 39.133003] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.133810] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.134718] bpf_prog_alloc+0x39/0x200 [ 39.135456] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.136361] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.137290] do_seccomp+0x349/0x25e0 [ 39.138001] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.138845] ? __pfx_do_seccomp+0x10/0x10 [ 39.139619] ? find_held_lock+0x2b/0x80 [ 39.140370] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.141341] ? static_key_count+0x60/0x80 [ 39.142140] prctl_set_seccomp+0x4e/0x70 [ 39.142886] __do_sys_prctl+0xe6c/0x1d70 [ 39.143661] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.144510] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.145461] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.146404] ? irqentry_exit+0xf3/0x650 [ 39.147160] do_syscall_64+0xbf/0x430 [ 39.147859] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.148809] RIP: 0033:0x7ff2074f85cd [ 39.149499] 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 [ 39.152644] RSP: 002b:00007ffe7a122630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.153999] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff2074f85cd [ 39.155262] RDX: 0000556ffd031e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.156597] RBP: 00007ffe7a122690 R08: 0000000000000000 R09: 00007ffe7a121d30 [ 39.157846] R10: 0000000000000000 R11: 0000000000000246 R12: 000055700adfead0 [ 39.159086] R13: 00007ffe7a122ac0 R14: 000055700adffbc0 R15: 000055700ae10780 [ 39.160352] [ 39.160787] irq event stamp: 1731 [ 39.161438] hardirqs last enabled at (1741): [] __up_console_sem+0x78/0x80 [ 39.162974] hardirqs last disabled at (1752): [] sysvec_apic_timer_interrupt+0xf/0x80 [ 39.164615] softirqs last enabled at (1616): [] handle_softirqs+0x50c/0x770 [ 39.166149] softirqs last disabled at (1611): [] __irq_exit_rcu+0xc4/0x100 [ 39.167707] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.310336] ------------[ cut here ]------------ [ 42.311280] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.313272] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.314738] Modules linked in: [ 42.315377] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.317368] Tainted: [W]=WARN [ 42.317925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.319374] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.320275] 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 [ 42.323436] RSP: 0018:ffff88801a7ffbc0 EFLAGS: 00010286 [ 42.324404] RAX: 0000000000000000 RBX: ffffed10034fff78 RCX: ffffffff813a4050 [ 42.325712] RDX: ffff88801a610000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.326991] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034fff2f [ 42.328254] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.329558] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a7ffdf8 [ 42.330816] FS: 00007f8982432900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.332241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.333328] CR2: 00007f8982924580 CR3: 000000001f9dc000 CR4: 0000000000350ef0 [ 42.334594] Call Trace: [ 42.335086] [ 42.335491] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.336382] ? __create_object+0x59/0x80 [ 42.337195] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.338171] __vmalloc_noprof+0x59/0x60 [ 42.338878] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.339747] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.340719] bpf_prog_alloc+0x39/0x200 [ 42.341449] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.342360] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.343258] do_seccomp+0x349/0x25e0 [ 42.343928] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.344861] ? __pfx_do_seccomp+0x10/0x10 [ 42.345645] ? find_held_lock+0x2b/0x80 [ 42.346397] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.347354] ? static_key_count+0x60/0x80 [ 42.348143] prctl_set_seccomp+0x4e/0x70 [ 42.348894] __do_sys_prctl+0xe6c/0x1d70 [ 42.349675] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.350519] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.351479] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.352455] ? irqentry_exit+0xf3/0x650 [ 42.353236] do_syscall_64+0xbf/0x430 [ 42.353921] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.354855] RIP: 0033:0x7f89829245cd [ 42.355566] 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 [ 42.358783] RSP: 002b:00007ffe2e656210 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.360141] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f89829245cd [ 42.361436] RDX: 0000555977c82e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.362702] RBP: 00007ffe2e656270 R08: 0000000000000000 R09: 00007ffe2e655910 [ 42.363985] R10: 0000000000000000 R11: 0000000000000246 R12: 000055598e7f5ad0 [ 42.365292] R13: 00007ffe2e6566a0 R14: 000055598e7f6bc0 R15: 000055598e807780 [ 42.366574] [ 42.367031] irq event stamp: 1741 [ 42.367627] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 42.369169] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 42.370665] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 42.372189] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 42.373722] ---[ end trace 0000000000000000 ]--- [ 43.071195] ------------[ cut here ]------------ [ 43.072138] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.074152] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.075629] Modules linked in: [ 43.076270] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.078290] Tainted: [W]=WARN [ 43.078854] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.080324] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.081278] 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 [ 43.084416] RSP: 0018:ffff88801a9a7bc0 EFLAGS: 00010286 [ 43.085419] RAX: 0000000000000000 RBX: ffffed1003534f78 RCX: ffffffff813a4050 [ 43.086691] RDX: ffff88800f1c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.087953] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003534f2f [ 43.089262] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.090531] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a9a7df8 [ 43.091790] FS: 00007f6f7e69c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.093239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.094286] CR2: 00007ffd11bc2ef7 CR3: 000000001f899000 CR4: 0000000000350ef0 [ 43.095552] Call Trace: [ 43.096058] [ 43.096492] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.097395] ? __create_object+0x59/0x80 [ 43.098180] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.099139] __vmalloc_noprof+0x59/0x60 [ 43.099843] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.100737] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.101662] bpf_prog_alloc+0x39/0x200 [ 43.102385] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.103308] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.104199] do_seccomp+0x349/0x25e0 [ 43.104893] ? find_held_lock+0x2b/0x80 [ 43.105659] ? do_prlimit+0x310/0x610 [ 43.106384] ? __pfx_do_seccomp+0x10/0x10 [ 43.107155] ? do_raw_spin_unlock+0x53/0x220 [ 43.107927] ? _raw_spin_unlock+0x1e/0x40 [ 43.108728] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.109682] ? static_key_count+0x60/0x80 [ 43.110470] prctl_set_seccomp+0x4e/0x70 [ 43.111238] __do_sys_prctl+0xe6c/0x1d70 [ 43.112010] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.112857] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.113847] ? irqentry_exit+0xf3/0x650 [ 43.114606] do_syscall_64+0xbf/0x430 [ 43.115352] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.116336] RIP: 0033:0x7f6f7eb8e5cd [ 43.117095] 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 [ 43.120257] RSP: 002b:00007ffd11bc0340 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.121672] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6f7eb8e5cd [ 43.122986] RDX: 0000561aecff9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.124253] RBP: 00007ffd11bc03a0 R08: 0000000000000000 R09: 00007ffd11bbfa40 [ 43.125580] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561b1a664ad0 [ 43.126883] R13: 00007ffd11bc07d0 R14: 0000561b1a665bc0 R15: 0000561b1a676780 [ 43.128193] [ 43.128655] irq event stamp: 1739 [ 43.129320] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 43.130854] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 43.132386] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 [ 43.133980] softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100 [ 43.135508] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56113' (ECDSA) to the list of known hosts. 2025/11/18 12:25:44 fuzzer started 2025/11/18 12:25:44 dialing manager at localhost:34383 2025/11/18 12:25:44 checking machine... 2025/11/18 12:25:44 checking revisions... [ 44.010863] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:25:44 testing simple program... [ 44.090491] cgroup: Unknown subsys name 'net' [ 44.145234] cgroup: Unknown subsys name 'cpuset' [ 44.162249] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:25:43 Registers: info registers vcpu 0 RAX=0000000000000002 RBX=0000000000000002 RCX=ffffffff86a0b9d8 RDX=0000000000000000 RSI=ffff88806ce08fd8 RDI=0000000000000001 RBP=ffff88806ce08aa8 RSP=ffff88806ce089e0 R8 =ffffffff86a0b9dc R9 =0000000000000000 R10=000000000003c9ed R11=0000000000008964 R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=ffff88806ce08fe0 R15=ffff88806ce08a50 RIP=ffffffff8135ef78 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 00007f8982432900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f89823dc008 CR3=000000001f9fa000 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 info registers vcpu 1 RAX=ffffffff81b2a563 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888009757b01 RSI=ffff888009757ba8 RDI=ffff888009757ba8 RBP=ffff888009757898 RSP=ffff8880097577d0 R8 =ffffffff86ab8e24 R9 =ffff888009757880 R10=000000000003c9ed R11=0000000000025764 R12=ffff8880097578a0 R13=ffff888009757888 R14=ffff888009757bb0 R15=ffff888009757840 RIP=ffffffff8135efad 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8982349000 CR3=000000000be6c000 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=bf63fec24232f3b2034014be6747c5a9 XMM02=0000000000301c38ec2efd57dc4c00df XMM03=000000000030dc98224c156f68daf131 XMM04=c6dc48a884173fdc00000000000ae988 XMM05=d96330e2d2db8632000000000031e4c0 XMM06=474038aa6c007e1f000000000031e348 XMM07=e042d86d42eb936e000000000030df70 XMM08=224c156f68daf1310000000000301c98 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000