[ 39.438474] ------------[ cut here ]------------ [ 39.439260] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.440913] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 39.442130] Modules linked in: [ 39.442630] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.444292] Tainted: [W]=WARN [ 39.444757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.445978] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.446740] 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 [ 39.449401] RSP: 0018:ffff888018067bc0 EFLAGS: 00010286 [ 39.450207] RAX: 0000000000000000 RBX: ffffed100300cf78 RCX: ffffffff813a4050 [ 39.451279] RDX: ffff88800f45b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.452350] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100300cf2f [ 39.453420] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.454491] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018067df8 [ 39.455574] FS: 00007f2f6f5a5900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.456790] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.457671] CR2: 00007f2f6fa97580 CR3: 000000000bc60000 CR4: 0000000000350ef0 [ 39.458737] Call Trace: [ 39.459559] [ 39.459913] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.460668] ? __create_object+0x59/0x80 [ 39.461326] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.462136] __vmalloc_noprof+0x59/0x60 [ 39.462731] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.463466] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.464239] bpf_prog_alloc+0x39/0x200 [ 39.464819] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.465597] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.466346] do_seccomp+0x349/0x25e0 [ 39.466905] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.467658] ? __pfx_do_seccomp+0x10/0x10 [ 39.468318] ? find_held_lock+0x2b/0x80 [ 39.468913] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.469711] ? static_key_count+0x60/0x80 [ 39.470366] prctl_set_seccomp+0x4e/0x70 [ 39.470968] __do_sys_prctl+0xe6c/0x1d70 [ 39.471626] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.472333] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.473132] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.473899] ? irqentry_exit+0xf3/0x650 [ 39.474536] do_syscall_64+0xbf/0x430 [ 39.475150] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.475909] RIP: 0033:0x7f2f6fa975cd [ 39.476490] 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 [ 39.479123] RSP: 002b:00007fff55da9ce0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.480276] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2f6fa975cd [ 39.481338] RDX: 0000564b1da66e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.482412] RBP: 00007fff55da9d40 R08: 0000000000000000 R09: 00007fff55da93e0 [ 39.483491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564b241bcad0 [ 39.484563] R13: 00007fff55daa170 R14: 0000564b241bdbc0 R15: 0000564b241ce780 [ 39.485650] [ 39.486007] irq event stamp: 1695 [ 39.486551] hardirqs last enabled at (1705): [] __up_console_sem+0x78/0x80 [ 39.487839] hardirqs last disabled at (1714): [] __up_console_sem+0x5d/0x80 [ 39.489110] softirqs last enabled at (1392): [] handle_softirqs+0x50c/0x770 [ 39.490399] softirqs last disabled at (1387): [] __irq_exit_rcu+0xc4/0x100 [ 39.491757] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.604781] ------------[ cut here ]------------ [ 42.605246] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.606410] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.607224] Modules linked in: [ 42.607519] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.608578] Tainted: [W]=WARN [ 42.608884] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.609659] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.610089] 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 [ 42.611734] RSP: 0018:ffff888017357bc0 EFLAGS: 00010286 [ 42.612200] RAX: 0000000000000000 RBX: ffffed1002e6af78 RCX: ffffffff813a4050 [ 42.612793] RDX: ffff888017141bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.613506] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e6af2f [ 42.614169] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.614755] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017357df8 [ 42.615493] FS: 00007f9e5dd9e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.616346] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.616828] CR2: 00007f9e5e3044a6 CR3: 000000000bc52000 CR4: 0000000000350ef0 [ 42.617439] Call Trace: [ 42.617657] [ 42.617969] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.618394] ? __create_object+0x59/0x80 [ 42.618748] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.619209] __vmalloc_noprof+0x59/0x60 [ 42.619554] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.619942] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.620381] bpf_prog_alloc+0x39/0x200 [ 42.620709] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.621250] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.621655] do_seccomp+0x349/0x25e0 [ 42.621972] ? find_held_lock+0x2b/0x80 [ 42.622339] ? do_prlimit+0x310/0x610 [ 42.622786] ? __pfx_do_seccomp+0x10/0x10 [ 42.623205] ? do_raw_spin_unlock+0x53/0x220 [ 42.623656] ? _raw_spin_unlock+0x1e/0x40 [ 42.624004] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.624463] ? static_key_count+0x60/0x80 [ 42.624820] prctl_set_seccomp+0x4e/0x70 [ 42.625269] __do_sys_prctl+0xe6c/0x1d70 [ 42.625618] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.625998] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.626465] ? irqentry_exit+0xf3/0x650 [ 42.626809] do_syscall_64+0xbf/0x430 [ 42.627189] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.627628] RIP: 0033:0x7f9e5e2905cd [ 42.627939] 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 [ 42.629514] RSP: 002b:00007ffcd89c6f80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.630226] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9e5e2905cd [ 42.630814] RDX: 000055f1c1593e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.631546] RBP: 00007ffcd89c6fe0 R08: 0000000000000000 R09: 00007ffcd89c6680 [ 42.632293] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f1d4d22ad0 [ 42.632887] R13: 00007ffcd89c7410 R14: 000055f1d4d23bc0 R15: 000055f1d4d34780 [ 42.633505] [ 42.633711] irq event stamp: 1807 [ 42.634138] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 42.634970] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 42.635709] softirqs last enabled at (1706): [] handle_softirqs+0x50c/0x770 [ 42.636448] softirqs last disabled at (1695): [] __irq_exit_rcu+0xc4/0x100 [ 42.637285] ---[ end trace 0000000000000000 ]--- [ 43.364002] ------------[ cut here ]------------ [ 43.364757] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.366347] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.367515] Modules linked in: [ 43.367986] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.369791] Tainted: [W]=WARN [ 43.370282] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.371464] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.372196] 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 [ 43.374731] RSP: 0018:ffff88801960fbc0 EFLAGS: 00010286 [ 43.375515] RAX: 0000000000000000 RBX: ffffed10032c1f78 RCX: ffffffff813a4050 [ 43.376557] RDX: ffff88801bdc5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.377583] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032c1f2f [ 43.378610] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.379637] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801960fdf8 [ 43.380663] FS: 00007f06de09c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.381805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.382642] CR2: 00007fff85a75ef8 CR3: 0000000010440000 CR4: 0000000000350ef0 [ 43.383676] Call Trace: [ 43.384053] [ 43.384422] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.385132] ? __create_object+0x59/0x80 [ 43.385720] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.386494] __vmalloc_noprof+0x59/0x60 [ 43.387097] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.387771] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.388519] bpf_prog_alloc+0x39/0x200 [ 43.389120] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.389827] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.390551] do_seccomp+0x349/0x25e0 [ 43.391125] ? find_held_lock+0x2b/0x80 [ 43.391713] ? do_prlimit+0x310/0x610 [ 43.392316] ? __pfx_do_seccomp+0x10/0x10 [ 43.392920] ? do_raw_spin_unlock+0x53/0x220 [ 43.393591] ? _raw_spin_unlock+0x1e/0x40 [ 43.394205] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.394944] ? static_key_count+0x60/0x80 [ 43.395593] prctl_set_seccomp+0x4e/0x70 [ 43.396201] __do_sys_prctl+0xe6c/0x1d70 [ 43.396788] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.397470] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.398265] ? irqentry_exit+0xf3/0x650 [ 43.398844] do_syscall_64+0xbf/0x430 [ 43.399443] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.400220] RIP: 0033:0x7f06de58e5cd [ 43.400752] 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 [ 43.403298] RSP: 002b:00007fff85a74020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.404394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f06de58e5cd [ 43.405416] RDX: 000055f1f20e9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.406433] RBP: 00007fff85a74080 R08: 0000000000000000 R09: 00007fff85a73720 [ 43.407481] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f227d9fad0 [ 43.408512] R13: 00007fff85a744b0 R14: 000055f227da0bc0 R15: 000055f227db1780 [ 43.409554] [ 43.409899] irq event stamp: 2629 [ 43.410434] hardirqs last enabled at (2639): [] __up_console_sem+0x78/0x80 [ 43.411665] hardirqs last disabled at (2648): [] __up_console_sem+0x5d/0x80 [ 43.412879] softirqs last enabled at (2376): [] handle_softirqs+0x50c/0x770 [ 43.414109] softirqs last disabled at (2371): [] __irq_exit_rcu+0xc4/0x100 [ 43.415336] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1795' (ECDSA) to the list of known hosts. 2025/11/18 16:13:50 fuzzer started 2025/11/18 16:13:50 dialing manager at localhost:34383 2025/11/18 16:13:50 checking machine... 2025/11/18 16:13:50 checking revisions... [ 44.332644] kmemleak: Automatic memory scanning thread ended 2025/11/18 16:13:50 testing simple program... [ 44.425877] cgroup: Unknown subsys name 'net' [ 44.489195] cgroup: Unknown subsys name 'cpuset' [ 44.502865] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 16:13:49 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=dfb8078e475e76a4 RDX=1ffff1100d9c1156 RSI=000000008301a466 RDI=ffff88806ce31cd0 RBP=ffff88806ce08aa8 RSP=ffff88806ce089e0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=ffff88801a333780 R15=ffff88806ce08a50 RIP=ffffffff8135e4e0 RFL=00000216 [----AP-] 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 00007f9e5dd9e900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9e5dd7d020 CR3=000000001026d000 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=0000000000000004 RBX=ffff888019641bc0 RCX=ffffffff87d14028 RDX=0000000000000001 RSI=0000000000000000 RDI=0000000000000003 RBP=ffff888019642618 RSP=ffff8880166ff270 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888019642690 R13=0000000000000002 R14=0000000000000000 R15=0000000000000004 RIP=ffffffff81527203 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 00007fc3714e9900 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=00007ffce91cda88 CR3=000000000e9a8000 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=33313a363120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363832 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000