[ 39.520234] ------------[ cut here ]------------ [ 39.521168] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.523238] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.524705] Modules linked in: [ 39.525358] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.527712] Tainted: [W]=WARN [ 39.528591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.530066] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.530979] 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 [ 39.534166] RSP: 0018:ffff88801a33fbc0 EFLAGS: 00010286 [ 39.535139] RAX: 0000000000000000 RBX: ffffed1003467f78 RCX: ffffffff813a4050 [ 39.536418] RDX: ffff8880157ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.537744] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003467f2f [ 39.539063] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.540350] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a33fdf8 [ 39.541656] FS: 00007f173a1df900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.543099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.544167] CR2: 00007ffd3a8bdef7 CR3: 000000000cfcc000 CR4: 0000000000350ef0 [ 39.545459] Call Trace: [ 39.545971] [ 39.546390] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.547290] ? __create_object+0x59/0x80 [ 39.548079] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.549066] __vmalloc_noprof+0x59/0x60 [ 39.549828] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.550661] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.551588] bpf_prog_alloc+0x39/0x200 [ 39.552317] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.553254] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.554186] do_seccomp+0x349/0x25e0 [ 39.554914] ? find_held_lock+0x2b/0x80 [ 39.555653] ? do_prlimit+0x310/0x610 [ 39.556406] ? __pfx_do_seccomp+0x10/0x10 [ 39.557191] ? do_raw_spin_unlock+0x53/0x220 [ 39.558049] ? _raw_spin_unlock+0x1e/0x40 [ 39.558832] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.559760] ? static_key_count+0x60/0x80 [ 39.560571] prctl_set_seccomp+0x4e/0x70 [ 39.561358] __do_sys_prctl+0xe6c/0x1d70 [ 39.562171] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.563038] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.564020] ? irqentry_exit+0xf3/0x650 [ 39.564793] do_syscall_64+0xbf/0x430 [ 39.565511] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.566471] RIP: 0033:0x7f173a6d15cd [ 39.567186] 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 [ 39.570406] RSP: 002b:00007ffd3a8bbdd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.571794] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f173a6d15cd [ 39.573102] RDX: 000055ab8f742e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.574406] RBP: 00007ffd3a8bbe30 R08: 0000000000000000 R09: 00007ffd3a8bb4d0 [ 39.575693] R10: 0000000000000000 R11: 0000000000000246 R12: 000055abb27a4bf0 [ 39.576972] R13: 00007ffd3a8bc260 R14: 000055abb27ae380 R15: 000055abb27b9460 [ 39.578282] [ 39.578714] irq event stamp: 3045 [ 39.579366] hardirqs last enabled at (3055): [] __up_console_sem+0x78/0x80 [ 39.580897] hardirqs last disabled at (3064): [] __up_console_sem+0x5d/0x80 [ 39.582464] softirqs last enabled at (2920): [] handle_softirqs+0x50c/0x770 [ 39.584029] softirqs last disabled at (2915): [] __irq_exit_rcu+0xc4/0x100 [ 39.585557] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.569273] ------------[ cut here ]------------ [ 42.570216] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.572210] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.573728] Modules linked in: [ 42.574350] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.576330] Tainted: [W]=WARN [ 42.576926] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.578410] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.579312] 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 [ 42.582461] RSP: 0018:ffff8880155f7bc0 EFLAGS: 00010286 [ 42.583443] RAX: 0000000000000000 RBX: ffffed1002abef78 RCX: ffffffff813a4050 [ 42.584723] RDX: ffff8880188ab780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.586005] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002abef2f [ 42.587286] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.588569] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880155f7df8 [ 42.589861] FS: 00007f416d021900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.591311] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.592384] CR2: 00007f416d513580 CR3: 0000000013a36000 CR4: 0000000000350ef0 [ 42.593668] Call Trace: [ 42.594184] [ 42.594587] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.595493] ? __create_object+0x59/0x80 [ 42.596288] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.597250] __vmalloc_noprof+0x59/0x60 [ 42.598034] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.598911] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.599840] bpf_prog_alloc+0x39/0x200 [ 42.600530] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.601471] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.602396] do_seccomp+0x349/0x25e0 [ 42.603114] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.604027] ? __pfx_do_seccomp+0x10/0x10 [ 42.604798] ? find_held_lock+0x2b/0x80 [ 42.605507] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.606478] ? static_key_count+0x60/0x80 [ 42.607277] prctl_set_seccomp+0x4e/0x70 [ 42.608055] __do_sys_prctl+0xe6c/0x1d70 [ 42.608855] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.609676] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.610639] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.611598] ? irqentry_exit+0xf3/0x650 [ 42.612370] do_syscall_64+0xbf/0x430 [ 42.613118] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.614101] RIP: 0033:0x7f416d5135cd [ 42.614808] 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 [ 42.617989] RSP: 002b:00007ffea5350a70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.619342] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f416d5135cd [ 42.620631] RDX: 000055fb62b38e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.621936] RBP: 00007ffea5350ad0 R08: 0000000000000000 R09: 00007ffea5350170 [ 42.623237] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fb9b9c0ad0 [ 42.624524] R13: 00007ffea5350f00 R14: 000055fb9b9c1bc0 R15: 000055fb9b9d2780 [ 42.625852] [ 42.626274] irq event stamp: 1747 [ 42.626930] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 42.628446] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 42.629973] softirqs last enabled at (1650): [] handle_softirqs+0x50c/0x770 [ 42.631516] softirqs last disabled at (1645): [] __irq_exit_rcu+0xc4/0x100 [ 42.633044] ---[ end trace 0000000000000000 ]--- [ 43.418719] ------------[ cut here ]------------ [ 43.419482] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.421120] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.422297] Modules linked in: [ 43.422804] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.424436] Tainted: [W]=WARN [ 43.424932] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.426178] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.426932] 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 [ 43.429512] RSP: 0018:ffff8880174c7bc0 EFLAGS: 00010286 [ 43.430314] RAX: 0000000000000000 RBX: ffffed1002e98f78 RCX: ffffffff813a4050 [ 43.431367] RDX: ffff8880157a9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.432415] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e98f2f [ 43.433455] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.434505] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880174c7df8 [ 43.435545] FS: 00007f19d0c8a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.436704] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.437561] CR2: 00007fff6cfdeef7 CR3: 000000000d3cd000 CR4: 0000000000350ef0 [ 43.438610] Call Trace: [ 43.439014] [ 43.439348] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.440081] ? __create_object+0x59/0x80 [ 43.440682] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.441462] __vmalloc_noprof+0x59/0x60 [ 43.442076] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.442747] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.443500] bpf_prog_alloc+0x39/0x200 [ 43.444104] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.444862] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.445557] do_seccomp+0x349/0x25e0 [ 43.446154] ? find_held_lock+0x2b/0x80 [ 43.446732] ? do_prlimit+0x310/0x610 [ 43.447340] ? __pfx_do_seccomp+0x10/0x10 [ 43.447977] ? do_raw_spin_unlock+0x53/0x220 [ 43.448615] ? _raw_spin_unlock+0x1e/0x40 [ 43.449247] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.450044] ? static_key_count+0x60/0x80 [ 43.450654] prctl_set_seccomp+0x4e/0x70 [ 43.451289] __do_sys_prctl+0xe6c/0x1d70 [ 43.451926] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.452582] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.453366] ? irqentry_exit+0xf3/0x650 [ 43.453987] do_syscall_64+0xbf/0x430 [ 43.454552] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.455320] RIP: 0033:0x7f19d117c5cd [ 43.455879] 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 [ 43.458450] RSP: 002b:00007fff6cfdce10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.459558] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f19d117c5cd [ 43.460591] RDX: 000055e21902fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.461641] RBP: 00007fff6cfdce70 R08: 0000000000000000 R09: 00007fff6cfdc510 [ 43.462680] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e23a004ad0 [ 43.463715] R13: 00007fff6cfdd2a0 R14: 000055e23a005bc0 R15: 000055e23a016780 [ 43.464791] [ 43.465137] irq event stamp: 1767 [ 43.465635] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 43.466867] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 43.468101] softirqs last enabled at (1640): [] handle_softirqs+0x50c/0x770 [ 43.469339] softirqs last disabled at (1635): [] __irq_exit_rcu+0xc4/0x100 [ 43.470569] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:18521' (ECDSA) to the list of known hosts. 2025/11/18 03:39:42 fuzzer started 2025/11/18 03:39:43 dialing manager at localhost:37895 2025/11/18 03:39:43 checking machine... 2025/11/18 03:39:43 checking revisions... [ 44.338713] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:39:43 testing simple program... [ 44.412440] cgroup: Unknown subsys name 'net' [ 44.475339] cgroup: Unknown subsys name 'cpuset' [ 44.490466] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:39:42 Registers: info registers vcpu 0 RAX=ffffffff822a86d9 RBX=ffff888016e27bf8 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff888016e27b40 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000010 R11=0000000000000000 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000059 RIP=ffffffff81529229 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 00007f416d021900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f416d5d90b0 CR3=0000000013af2000 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=2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c2c XMM01=00000000000000000000000000ff0000 XMM02=00000000000000000000000000ff0000 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=6c6f636f746f72702f6374652f006563 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff842e2c84 RBX=0000000000000001 RCX=0000000000000001 RDX=ffff888018e0f901 RSI=ffff888018e0f9b8 RDI=ffff888018e0f9b8 RBP=ffff888018e0f458 RSP=ffff888018e0f390 R8 =ffffffff86d7e43a R9 =ffff888018e0f440 R10=000000000003c9ed R11=000000000009bb58 R12=ffff888018e0f460 R13=ffff888018e0f448 R14=ffff888018e0f9c0 R15=ffff888018e0f400 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 00007fab1e73b700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f00fb7f18e0 CR3=000000000d655000 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=6d6f72662064657463656e6e6f637369 XMM02=2e303120746f6f722072657375206d6f XMM03=3a5d3933325b646873732032343a3933 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323133 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000