[ 45.882403] ------------[ cut here ]------------ [ 45.883279] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.885347] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.887004] Modules linked in: [ 45.887741] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.889745] Tainted: [W]=WARN [ 45.890357] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.891850] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.892760] 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 [ 45.895944] RSP: 0018:ffff88801633fbc0 EFLAGS: 00010286 [ 45.896931] RAX: 0000000000000000 RBX: ffffed1002c67f78 RCX: ffffffff813a4050 [ 45.898219] RDX: ffff8880159cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.899510] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c67f2f [ 45.900802] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.902110] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801633fdf8 [ 45.903423] FS: 00007f48fcf52900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.904849] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.905914] CR2: 00007f48fd444580 CR3: 0000000007787000 CR4: 0000000000350ef0 [ 45.907218] Call Trace: [ 45.907717] [ 45.908133] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.909028] ? __create_object+0x59/0x80 [ 45.909814] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.910815] __vmalloc_noprof+0x59/0x60 [ 45.911554] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.912441] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.913371] bpf_prog_alloc+0x39/0x200 [ 45.914066] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.915011] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.915918] do_seccomp+0x349/0x25e0 [ 45.916638] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.917536] ? __pfx_do_seccomp+0x10/0x10 [ 45.918288] ? find_held_lock+0x2b/0x80 [ 45.919055] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.920020] ? static_key_count+0x60/0x80 [ 45.920833] prctl_set_seccomp+0x4e/0x70 [ 45.921609] __do_sys_prctl+0xe6c/0x1d70 [ 45.922405] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.923214] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.924188] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.925162] ? irqentry_exit+0xf3/0x650 [ 45.925938] do_syscall_64+0xbf/0x430 [ 45.926691] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.927648] RIP: 0033:0x7f48fd4445cd [ 45.928359] 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 [ 45.931524] RSP: 002b:00007ffd997f2b40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.932648] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f48fd4445cd [ 45.933713] RDX: 00005555a082ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.934789] RBP: 00007ffd997f2ba0 R08: 0000000000000000 R09: 00007ffd997f2240 [ 45.935856] R10: 0000000000000000 R11: 0000000000000246 R12: 00005555d2c032b0 [ 45.936923] R13: 00007ffd997f2fd0 R14: 00005555d2c05d20 R15: 00005555d2c178d0 [ 45.938022] [ 45.938411] irq event stamp: 1819 [ 45.938929] hardirqs last enabled at (1827): [] __up_console_sem+0x78/0x80 [ 45.940205] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 45.941469] softirqs last enabled at (1438): [] handle_softirqs+0x50c/0x770 [ 45.942753] softirqs last disabled at (1433): [] __irq_exit_rcu+0xc4/0x100 [ 45.943993] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.109568] ------------[ cut here ]------------ [ 49.110588] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.112779] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.114331] Modules linked in: [ 49.114988] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.117141] Tainted: [W]=WARN [ 49.118029] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.119712] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.120701] 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 [ 49.124129] RSP: 0018:ffff888016c07bc0 EFLAGS: 00010286 [ 49.125185] RAX: 0000000000000000 RBX: ffffed1002d80f78 RCX: ffffffff813a4050 [ 49.126585] RDX: ffff888009883780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.127982] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d80f2f [ 49.129378] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.130786] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c07df8 [ 49.132159] FS: 00007fef2cb75900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.133704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.134845] CR2: 00007fef2d067580 CR3: 000000000dbc7000 CR4: 0000000000350ef0 [ 49.136217] Call Trace: [ 49.136775] [ 49.137221] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.138191] ? __create_object+0x59/0x80 [ 49.139031] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.140060] __vmalloc_noprof+0x59/0x60 [ 49.140872] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.141820] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.142841] bpf_prog_alloc+0x39/0x200 [ 49.143625] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.144609] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.145572] do_seccomp+0x349/0x25e0 [ 49.146284] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.147266] ? __pfx_do_seccomp+0x10/0x10 [ 49.148110] ? find_held_lock+0x2b/0x80 [ 49.148921] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.149971] ? static_key_count+0x60/0x80 [ 49.150841] prctl_set_seccomp+0x4e/0x70 [ 49.151663] __do_sys_prctl+0xe6c/0x1d70 [ 49.152495] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.153411] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.154458] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.155505] ? irqentry_exit+0xf3/0x650 [ 49.156278] do_syscall_64+0xbf/0x430 [ 49.157069] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.158100] RIP: 0033:0x7fef2d0675cd [ 49.158871] 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 [ 49.162238] RSP: 002b:00007ffc6f200fb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.163710] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fef2d0675cd [ 49.165072] RDX: 000055e2c19ede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.166473] RBP: 00007ffc6f201010 R08: 0000000000000000 R09: 00007ffc6f2006b0 [ 49.167850] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e2d97afad0 [ 49.169224] R13: 00007ffc6f201440 R14: 000055e2d97b0bc0 R15: 000055e2d97c1780 [ 49.170628] [ 49.171085] irq event stamp: 1835 [ 49.171729] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 49.173053] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 49.174378] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 49.175770] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 49.177102] ---[ end trace 0000000000000000 ]--- [ 49.806484] ------------[ cut here ]------------ [ 49.807047] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.808342] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 49.809235] Modules linked in: [ 49.809669] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.810939] Tainted: [W]=WARN [ 49.811289] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.812215] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.812784] 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 [ 49.814820] RSP: 0018:ffff88801b27fbc0 EFLAGS: 00010286 [ 49.815447] RAX: 0000000000000000 RBX: ffffed100364ff78 RCX: ffffffff813a4050 [ 49.816232] RDX: ffff88801b0ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.817043] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100364ff2f [ 49.817850] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.818668] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b27fdf8 [ 49.819482] FS: 00007f7df2c58900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.820398] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.821040] CR2: 00007ffccf9c1ef7 CR3: 000000000dbb7000 CR4: 0000000000350ef0 [ 49.821857] Call Trace: [ 49.822153] [ 49.822442] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.823000] ? __create_object+0x59/0x80 [ 49.823488] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.824072] __vmalloc_noprof+0x59/0x60 [ 49.824554] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.825079] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.825657] bpf_prog_alloc+0x39/0x200 [ 49.826093] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.826688] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.827238] do_seccomp+0x349/0x25e0 [ 49.827694] ? find_held_lock+0x2b/0x80 [ 49.828145] ? do_prlimit+0x310/0x610 [ 49.828615] ? __pfx_do_seccomp+0x10/0x10 [ 49.829089] ? do_raw_spin_unlock+0x53/0x220 [ 49.829605] ? _raw_spin_unlock+0x1e/0x40 [ 49.830075] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.830696] ? static_key_count+0x60/0x80 [ 49.831179] prctl_set_seccomp+0x4e/0x70 [ 49.831665] __do_sys_prctl+0xe6c/0x1d70 [ 49.832131] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.832680] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.833264] ? irqentry_exit+0xf3/0x650 [ 49.833746] do_syscall_64+0xbf/0x430 [ 49.834189] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.834802] RIP: 0033:0x7f7df314a5cd [ 49.835220] 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 [ 49.837222] RSP: 002b:00007ffccf9bf7e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.838088] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7df314a5cd [ 49.838920] RDX: 000055bb9fa14e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.839733] RBP: 00007ffccf9bf840 R08: 0000000000000000 R09: 00007ffccf9beee0 [ 49.840549] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bbbd082b10 [ 49.841374] R13: 00007ffccf9bfc70 R14: 000055bbbd0832b0 R15: 000055bbbd0976f0 [ 49.842169] [ 49.842473] irq event stamp: 1677 [ 49.842862] hardirqs last enabled at (1685): [] __up_console_sem+0x78/0x80 [ 49.843837] hardirqs last disabled at (1694): [] __up_console_sem+0x5d/0x80 [ 49.844808] softirqs last enabled at (1208): [] handle_softirqs+0x50c/0x770 [ 49.845800] softirqs last disabled at (1195): [] __irq_exit_rcu+0xc4/0x100 [ 49.846779] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25445' (ECDSA) to the list of known hosts. 2025/11/18 18:56:29 fuzzer started 2025/11/18 18:56:30 dialing manager at localhost:34383 2025/11/18 18:56:30 checking machine... 2025/11/18 18:56:30 checking revisions... [ 50.685824] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:56:30 testing simple program... [ 50.753225] cgroup: Unknown subsys name 'net' [ 50.825417] cgroup: Unknown subsys name 'cpuset' [ 50.844682] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:56:29 Registers: info registers vcpu 0 RAX=0000000080010001 RBX=ffff88800a9d8000 RCX=ffffffff8259f946 RDX=000000000001c060 RSI=ffffffff8259f954 RDI=0000000000000007 RBP=ffff88800a9d8000 RSP=ffff88806ce08de0 R8 =0000000000000000 R9 =fffffbfff0cc9f0a R10=000000000001c060 R11=0000000000000001 R12=000000000001c060 R13=ffff88800a9dc8c8 R14=ffff88800a9d8234 R15=0000000000000001 RIP=ffffffff8259f958 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 00007fef2cb75900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fef2cb54020 CR3=000000000c5f2000 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=0000000000000050 RBX=ffff88800a9d8000 RCX=ffffffff8259f946 RDX=00000000000103f6 RSI=ffffffff8259f954 RDI=0000000000000007 RBP=00000000000103f6 RSP=ffff88800976f738 R8 =0000000000000001 R9 =0000000000006d2c R10=00000000000103f6 R11=0000000000000001 R12=00000000000103f6 R13=ffffed100153b001 R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff8259f958 RFL=00000093 [--S-A-C] 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fef2cacd000 CR3=0000000016072000 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=2039323a36353a383120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038323a36353a3831203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000