[ 39.180527] ------------[ cut here ]------------ [ 39.181486] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.183483] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.185007] Modules linked in: [ 39.185656] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.187904] Tainted: [W]=WARN [ 39.188788] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.190305] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.191230] 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 [ 39.194450] RSP: 0018:ffff88801864fbc0 EFLAGS: 00010286 [ 39.195442] RAX: 0000000000000000 RBX: ffffed10030c9f78 RCX: ffffffff813a4050 [ 39.196735] RDX: ffff888018709bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.198038] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030c9f2f [ 39.199330] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.200613] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801864fdf8 [ 39.201937] FS: 00007f51e0aba900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.203397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.204473] CR2: 00007ffcceb98ef8 CR3: 0000000014339000 CR4: 0000000000350ef0 [ 39.205762] Call Trace: [ 39.206263] [ 39.206684] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.207588] ? __create_object+0x59/0x80 [ 39.208374] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.209756] __vmalloc_noprof+0x59/0x60 [ 39.210541] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.211430] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.212386] bpf_prog_alloc+0x39/0x200 [ 39.213133] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.214080] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.214956] do_seccomp+0x349/0x25e0 [ 39.215685] ? find_held_lock+0x2b/0x80 [ 39.216458] ? do_prlimit+0x310/0x610 [ 39.217230] ? __pfx_do_seccomp+0x10/0x10 [ 39.217984] ? do_raw_spin_unlock+0x53/0x220 [ 39.218835] ? _raw_spin_unlock+0x1e/0x40 [ 39.219631] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.220597] ? static_key_count+0x60/0x80 [ 39.221408] prctl_set_seccomp+0x4e/0x70 [ 39.222190] __do_sys_prctl+0xe6c/0x1d70 [ 39.222941] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.223798] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.224783] ? irqentry_exit+0xf3/0x650 [ 39.225556] do_syscall_64+0xbf/0x430 [ 39.226313] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.227282] RIP: 0033:0x7f51e0fac5cd [ 39.227954] 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 [ 39.231165] RSP: 002b:00007ffcceb96c10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.232541] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f51e0fac5cd [ 39.233860] RDX: 0000562c665afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.235149] RBP: 00007ffcceb96c70 R08: 0000000000000000 R09: 00007ffcceb96310 [ 39.236438] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562c8d51db10 [ 39.237738] R13: 00007ffcceb970a0 R14: 0000562c8d51e2b0 R15: 0000562c8d5326f0 [ 39.239058] [ 39.239489] irq event stamp: 1829 [ 39.240151] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 39.241621] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 39.242884] softirqs last enabled at (1364): [] handle_softirqs+0x50c/0x770 [ 39.244174] softirqs last disabled at (1359): [] __irq_exit_rcu+0xc4/0x100 [ 39.245454] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.334740] ------------[ cut here ]------------ [ 42.335501] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.337154] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.338350] Modules linked in: [ 42.338834] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.340473] Tainted: [W]=WARN [ 42.340940] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.342161] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.342882] 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 [ 42.345510] RSP: 0018:ffff888015ab7bc0 EFLAGS: 00010286 [ 42.346309] RAX: 0000000000000000 RBX: ffffed1002b56f78 RCX: ffffffff813a4050 [ 42.347367] RDX: ffff888015983780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.348434] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b56f2f [ 42.349495] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.350549] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015ab7df8 [ 42.351605] FS: 00007f517ba65900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.352796] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.353669] CR2: 00007f517bf57580 CR3: 0000000017412000 CR4: 0000000000350ef0 [ 42.354727] Call Trace: [ 42.355148] [ 42.355487] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.356233] ? __create_object+0x59/0x80 [ 42.356848] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.357644] __vmalloc_noprof+0x59/0x60 [ 42.358263] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.358939] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.359718] bpf_prog_alloc+0x39/0x200 [ 42.360313] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.361086] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.361794] do_seccomp+0x349/0x25e0 [ 42.362400] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.363146] ? __pfx_do_seccomp+0x10/0x10 [ 42.363765] ? find_held_lock+0x2b/0x80 [ 42.364397] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.365201] ? static_key_count+0x60/0x80 [ 42.365822] prctl_set_seccomp+0x4e/0x70 [ 42.366607] __do_sys_prctl+0xe6c/0x1d70 [ 42.367270] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.367942] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.368768] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.369561] ? irqentry_exit+0xf3/0x650 [ 42.370196] do_syscall_64+0xbf/0x430 [ 42.370769] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.371545] RIP: 0033:0x7f517bf575cd [ 42.372117] 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 [ 42.374753] RSP: 002b:00007ffc0b8cd110 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.375865] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f517bf575cd [ 42.376979] RDX: 000056015dae1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.378146] RBP: 00007ffc0b8cd170 R08: 0000000000000000 R09: 00007ffc0b8cc810 [ 42.379324] R10: 0000000000000000 R11: 0000000000000246 R12: 000056018136a240 [ 42.380516] R13: 00007ffc0b8cd5a0 R14: 0000560181369bf0 R15: 000056018137e4d0 [ 42.381812] [ 42.382311] irq event stamp: 1665 [ 42.382812] hardirqs last enabled at (1673): [] __up_console_sem+0x78/0x80 [ 42.384167] hardirqs last disabled at (1682): [] __up_console_sem+0x5d/0x80 [ 42.385597] softirqs last enabled at (1498): [] handle_softirqs+0x50c/0x770 [ 42.387143] softirqs last disabled at (1493): [] __irq_exit_rcu+0xc4/0x100 [ 42.388497] ---[ end trace 0000000000000000 ]--- [ 43.097781] ------------[ cut here ]------------ [ 43.098701] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.100729] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.102223] Modules linked in: [ 43.102825] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.105102] Tainted: [W]=WARN [ 43.105671] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.107275] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.108216] 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 [ 43.111445] RSP: 0018:ffff88800d64fbc0 EFLAGS: 00010286 [ 43.112430] RAX: 0000000000000000 RBX: ffffed1001ac9f78 RCX: ffffffff813a4050 [ 43.113745] RDX: ffff888015d95340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.115057] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ac9f2f [ 43.116362] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.117676] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d64fdf8 [ 43.118990] FS: 00007fe8343be900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.120486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.121579] CR2: 00007ffdec26fef8 CR3: 000000001f4c9000 CR4: 0000000000350ef0 [ 43.122894] Call Trace: [ 43.123414] [ 43.123834] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.124757] ? __create_object+0x59/0x80 [ 43.125565] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.126555] __vmalloc_noprof+0x59/0x60 [ 43.127332] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.128218] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.129174] bpf_prog_alloc+0x39/0x200 [ 43.129877] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.130819] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.131743] do_seccomp+0x349/0x25e0 [ 43.132474] ? find_held_lock+0x2b/0x80 [ 43.133259] ? do_prlimit+0x310/0x610 [ 43.133973] ? __pfx_do_seccomp+0x10/0x10 [ 43.134812] ? do_raw_spin_unlock+0x53/0x220 [ 43.135659] ? _raw_spin_unlock+0x1e/0x40 [ 43.136452] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.137467] ? static_key_count+0x60/0x80 [ 43.138310] prctl_set_seccomp+0x4e/0x70 [ 43.139123] __do_sys_prctl+0xe6c/0x1d70 [ 43.139900] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.140824] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.141849] ? irqentry_exit+0xf3/0x650 [ 43.142653] do_syscall_64+0xbf/0x430 [ 43.143419] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.144419] RIP: 0033:0x7fe8348b05cd [ 43.145169] 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 [ 43.148501] RSP: 002b:00007ffdec26e7c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.149947] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe8348b05cd [ 43.151292] RDX: 000055d6f5516e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.152636] RBP: 00007ffdec26e820 R08: 0000000000000000 R09: 00007ffdec26dec0 [ 43.153991] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d6f5932bf0 [ 43.155361] R13: 00007ffdec26ec50 R14: 000055d6f593c380 R15: 000055d6f5947460 [ 43.156737] [ 43.157215] irq event stamp: 1895 [ 43.157852] hardirqs last enabled at (1903): [] __up_console_sem+0x78/0x80 [ 43.159446] hardirqs last disabled at (1912): [] __up_console_sem+0x5d/0x80 [ 43.161065] softirqs last enabled at (1754): [] handle_softirqs+0x50c/0x770 [ 43.162688] softirqs last disabled at (1749): [] __irq_exit_rcu+0xc4/0x100 [ 43.164276] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:58969' (ECDSA) to the list of known hosts. 2025/11/18 18:34:59 fuzzer started 2025/11/18 18:35:00 dialing manager at localhost:34383 2025/11/18 18:35:00 checking machine... 2025/11/18 18:35:00 checking revisions... [ 44.018452] kmemleak: Automatic memory scanning thread ended 2025/11/18 18:35:00 testing simple program... [ 44.103611] cgroup: Unknown subsys name 'net' [ 44.160006] cgroup: Unknown subsys name 'cpuset' [ 44.179414] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:34:59 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000020 RSI=ffff88800c94e000 RDI=ffff88800c0bab90 RBP=ffff88800c0bab90 RSP=ffff88800f8a79b0 R8 =0000000000000000 R9 =ffffed1001f14f25 R10=0000000000000003 R11=0000000000000001 R12=ffff88800c94e000 R13=0000000000000020 R14=0000000000000001 R15=0000000000000286 RIP=ffffffff81b62773 RFL=00000082 [--S----] 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 00007f517ba65900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f517ba1e008 CR3=000000000fbc0000 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=000000000001ec7f RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 fffffe1600000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f145bb7f010 CR3=000000000e154000 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=c389d087269021b1c3486e5152fb4b82 XMM02=ec2efd57dc4c00df00000000003019d8 XMM03=291930f4f01a51400000000000301aa8 XMM04=0cac29a5fc0686b600000000000ae988 XMM05=bceb3beba543b572000000000031f2a0 XMM06=5b75c91c80445342000000000031e340 XMM07=e042d86d42eb936e000000000030de00 XMM08=291930f4f01a51400000000000301aa8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000