[ 39.413295] ------------[ cut here ]------------ [ 39.414211] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.416280] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.417956] Modules linked in: [ 39.419049] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.421054] Tainted: [W]=WARN [ 39.421650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.423094] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.424014] 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 [ 39.427191] RSP: 0018:ffff888019ef7bc0 EFLAGS: 00010286 [ 39.428110] RAX: 0000000000000000 RBX: ffffed10033def78 RCX: ffffffff813a4050 [ 39.429402] RDX: ffff888017f78000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.430666] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033def2f [ 39.431953] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.433272] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019ef7df8 [ 39.434551] FS: 00007f8a225b4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.436001] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.437081] CR2: 00007f8a22aa6580 CR3: 000000000df26000 CR4: 0000000000350ef0 [ 39.438359] Call Trace: [ 39.438816] [ 39.439272] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.440124] ? __create_object+0x59/0x80 [ 39.440925] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.441898] __vmalloc_noprof+0x59/0x60 [ 39.442650] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.443524] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.444450] bpf_prog_alloc+0x39/0x200 [ 39.445157] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.446087] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.447009] do_seccomp+0x349/0x25e0 [ 39.447732] ? finish_task_switch.isra.0+0x294/0x840 [ 39.448684] ? __pfx_do_seccomp+0x10/0x10 [ 39.449481] ? __schedule+0xf2c/0x3d40 [ 39.450213] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.451146] ? static_key_count+0x60/0x80 [ 39.451945] prctl_set_seccomp+0x4e/0x70 [ 39.452721] __do_sys_prctl+0xe6c/0x1d70 [ 39.453499] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.454371] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.455343] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.456313] ? irqentry_exit+0xf3/0x650 [ 39.457039] do_syscall_64+0xbf/0x430 [ 39.457782] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.458746] RIP: 0033:0x7f8a22aa65cd [ 39.459452] 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 [ 39.462610] RSP: 002b:00007ffce9f74570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.463970] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a22aa65cd [ 39.465281] RDX: 0000564015bb1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.466570] RBP: 00007ffce9f745d0 R08: 0000000000000000 R09: 00007ffce9f73c70 [ 39.467850] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564020876bf0 [ 39.469145] R13: 00007ffce9f74a00 R14: 0000564020880380 R15: 000056402088b460 [ 39.470500] [ 39.470927] irq event stamp: 1959 [ 39.471591] hardirqs last enabled at (1969): [] __up_console_sem+0x78/0x80 [ 39.473145] hardirqs last disabled at (1978): [] __up_console_sem+0x5d/0x80 [ 39.474710] softirqs last enabled at (1948): [] handle_softirqs+0x50c/0x770 [ 39.476254] softirqs last disabled at (1943): [] __irq_exit_rcu+0xc4/0x100 [ 39.477771] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.082534] ------------[ cut here ]------------ [ 42.083518] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.085573] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 42.087012] Modules linked in: [ 42.087651] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.089624] Tainted: [W]=WARN [ 42.090219] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.091692] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.092600] 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 [ 42.095747] RSP: 0018:ffff88801720fbc0 EFLAGS: 00010286 [ 42.096722] RAX: 0000000000000000 RBX: ffffed1002e41f78 RCX: ffffffff813a4050 [ 42.098006] RDX: ffff888014e89bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.099263] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e41f2f [ 42.100518] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.101794] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801720fdf8 [ 42.103062] FS: 00007f1eea06a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.104537] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.105650] CR2: 00007ffc4f4ebef7 CR3: 000000000c691000 CR4: 0000000000350ef0 [ 42.106996] Call Trace: [ 42.107511] [ 42.107929] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.108879] ? __create_object+0x59/0x80 [ 42.109696] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.110710] __vmalloc_noprof+0x59/0x60 [ 42.111502] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.112418] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.113414] bpf_prog_alloc+0x39/0x200 [ 42.114138] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.115116] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.116063] do_seccomp+0x349/0x25e0 [ 42.116836] ? find_held_lock+0x2b/0x80 [ 42.117633] ? do_prlimit+0x310/0x610 [ 42.118410] ? __pfx_do_seccomp+0x10/0x10 [ 42.119235] ? do_raw_spin_unlock+0x53/0x220 [ 42.120059] ? _raw_spin_unlock+0x1e/0x40 [ 42.120971] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.122117] ? static_key_count+0x60/0x80 [ 42.122968] prctl_set_seccomp+0x4e/0x70 [ 42.123789] __do_sys_prctl+0xe6c/0x1d70 [ 42.124610] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.125527] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.126541] ? irqentry_exit+0xf3/0x650 [ 42.127309] do_syscall_64+0xbf/0x430 [ 42.127999] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.128973] RIP: 0033:0x7f1eea55c5cd [ 42.129674] 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 [ 42.132820] RSP: 002b:00007ffc4f4ea5c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.134192] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1eea55c5cd [ 42.135462] RDX: 0000562468d8fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.136720] RBP: 00007ffc4f4ea620 R08: 0000000000000000 R09: 00007ffc4f4e9cc0 [ 42.137995] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562496991ad0 [ 42.139289] R13: 00007ffc4f4eaa50 R14: 0000562496992bc0 R15: 00005624969a3780 [ 42.140607] [ 42.141035] irq event stamp: 1761 [ 42.141682] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 42.143198] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 42.144706] softirqs last enabled at (1740): [] handle_softirqs+0x50c/0x770 [ 42.146085] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 42.147334] ---[ end trace 0000000000000000 ]--- [ 42.815131] ------------[ cut here ]------------ [ 42.816059] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.818155] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.819627] Modules linked in: [ 42.820252] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.822508] Tainted: [W]=WARN [ 42.823149] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.824657] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.825673] 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 [ 42.829005] RSP: 0018:ffff888017f47bc0 EFLAGS: 00010286 [ 42.829993] RAX: 0000000000000000 RBX: ffffed1002fe8f78 RCX: ffffffff813a4050 [ 42.831272] RDX: ffff88800e7fb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.832547] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002fe8f2f [ 42.833864] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.835136] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017f47df8 [ 42.836452] FS: 00007f65c1f5c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.837918] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.838970] CR2: 00007ffd19569ef7 CR3: 00000000209f8000 CR4: 0000000000350ef0 [ 42.840258] Call Trace: [ 42.840727] [ 42.841213] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.842089] ? __create_object+0x59/0x80 [ 42.842895] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.843864] __vmalloc_noprof+0x59/0x60 [ 42.844630] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.845535] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.846471] bpf_prog_alloc+0x39/0x200 [ 42.847158] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.848091] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.849026] do_seccomp+0x349/0x25e0 [ 42.849754] ? find_held_lock+0x2b/0x80 [ 42.850532] ? do_prlimit+0x310/0x610 [ 42.851276] ? __pfx_do_seccomp+0x10/0x10 [ 42.852023] ? do_raw_spin_unlock+0x53/0x220 [ 42.852900] ? _raw_spin_unlock+0x1e/0x40 [ 42.853679] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.854702] ? static_key_count+0x60/0x80 [ 42.855525] prctl_set_seccomp+0x4e/0x70 [ 42.856310] __do_sys_prctl+0xe6c/0x1d70 [ 42.857091] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.857956] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.858937] ? irqentry_exit+0xf3/0x650 [ 42.859706] do_syscall_64+0xbf/0x430 [ 42.860449] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.861454] RIP: 0033:0x7f65c244e5cd [ 42.862125] 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 [ 42.865335] RSP: 002b:00007ffd19568df0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.866691] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f65c244e5cd [ 42.867964] RDX: 000055df3cca3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.869291] RBP: 00007ffd19568e50 R08: 0000000000000000 R09: 00007ffd195684f0 [ 42.870575] R10: 0000000000000000 R11: 0000000000000246 R12: 000055df58fedad0 [ 42.871857] R13: 00007ffd19569280 R14: 000055df58feebc0 R15: 000055df58fff780 [ 42.873212] [ 42.873646] irq event stamp: 3195 [ 42.874051] hardirqs last enabled at (3203): [] __up_console_sem+0x78/0x80 [ 42.875048] hardirqs last disabled at (3212): [] __up_console_sem+0x5d/0x80 [ 42.876037] softirqs last enabled at (3098): [] handle_softirqs+0x50c/0x770 [ 42.877079] softirqs last disabled at (3093): [] __irq_exit_rcu+0xc4/0x100 [ 42.877985] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:65244' (ECDSA) to the list of known hosts. 2025/11/17 17:44:59 fuzzer started 2025/11/17 17:44:59 dialing manager at localhost:37895 2025/11/17 17:44:59 checking machine... 2025/11/17 17:44:59 checking revisions... [ 43.727152] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:44:59 testing simple program... [ 43.829249] cgroup: Unknown subsys name 'net' [ 43.915555] cgroup: Unknown subsys name 'cpuset' [ 43.942976] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:44:58 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888009245340 RCX=ffffffff84c52957 RDX=ffff888018680000 RSI=ffffffff84c52961 RDI=0000000000000007 RBP=ffff88800f0d6fc0 RSP=ffff88800f0d6ef0 R8 =0000000000000001 R9 =fffff940000b54b6 R10=fff8000000000000 R11=0000000000000001 R12=0000000000000032 R13=dffffc0000000000 R14=0000000000000040 R15=fff8000000000000 RIP=ffffffff81751c78 RFL=00000286 [--S--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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1eea034008 CR3=00000000208c2000 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=dffffc0000000000 RBX=ffff88800bd18000 RCX=0000000000000001 RDX=1ffff110017a3256 RSI=ffff88806cf37358 RDI=ffff88800bd192b0 RBP=ffff8880172e8000 RSP=ffff88806cf08d00 R8 =0000000000000001 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=0000000000000001 R12=0000000000000001 R13=00000000000829f9 R14=0000000000000001 R15=ffff88800bd18000 RIP=ffffffff81502036 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 00007f1eea06a900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f855bcd05d8 CR3=00000000208c2000 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