syzkaller login: [ 46.375444] ------------[ cut here ]------------ [ 46.376340] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.378309] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.379692] Modules linked in: [ 46.380272] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.382388] Tainted: [W]=WARN [ 46.383025] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.384432] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.385313] 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 [ 46.388345] RSP: 0018:ffff88801749fbc0 EFLAGS: 00010286 [ 46.389283] RAX: 0000000000000000 RBX: ffffed1002e93f78 RCX: ffffffff813a4050 [ 46.390524] RDX: ffff888019919bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.391768] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e93f2f [ 46.393022] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.394256] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801749fdf8 [ 46.395511] FS: 00007f2362cd4900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.396929] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.397968] CR2: 00007f23631c6580 CR3: 0000000009e1c000 CR4: 0000000000350ef0 [ 46.399229] Call Trace: [ 46.399729] [ 46.400140] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.401019] ? __create_object+0x59/0x80 [ 46.401786] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.402733] __vmalloc_noprof+0x59/0x60 [ 46.403432] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.404284] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.405196] bpf_prog_alloc+0x39/0x200 [ 46.405909] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.406821] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.407706] do_seccomp+0x349/0x25e0 [ 46.408362] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.409225] ? __pfx_do_seccomp+0x10/0x10 [ 46.409991] ? find_held_lock+0x2b/0x80 [ 46.410731] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.411655] ? static_key_count+0x60/0x80 [ 46.412412] prctl_set_seccomp+0x4e/0x70 [ 46.413171] __do_sys_prctl+0xe6c/0x1d70 [ 46.413940] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.414760] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.415716] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.416676] ? irqentry_exit+0xf3/0x650 [ 46.417378] do_syscall_64+0xbf/0x430 [ 46.418098] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.419006] RIP: 0033:0x7f23631c65cd [ 46.419685] 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 [ 46.422749] RSP: 002b:00007ffefe7719f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.424059] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f23631c65cd [ 46.425283] RDX: 0000556867d2ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.426508] RBP: 00007ffefe771a50 R08: 0000000000000000 R09: 00007ffefe7710f0 [ 46.427748] R10: 0000000000000000 R11: 0000000000000246 R12: 00005568834a0ad0 [ 46.429013] R13: 00007ffefe771e80 R14: 00005568834a1bc0 R15: 00005568834b2780 [ 46.430235] [ 46.430672] irq event stamp: 1813 [ 46.431254] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 46.432738] hardirqs last disabled at (1836): [] __up_console_sem+0x5d/0x80 [ 46.434203] softirqs last enabled at (1834): [] handle_softirqs+0x50c/0x770 [ 46.435700] softirqs last disabled at (1829): [] __irq_exit_rcu+0xc4/0x100 [ 46.437184] ---[ end trace 0000000000000000 ]--- [ 49.663534] ------------[ cut here ]------------ [ 49.664514] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.666653] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.668207] Modules linked in: [ 49.668870] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.670879] Tainted: [W]=WARN [ 49.671520] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.673063] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.674010] 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 [ 49.677298] RSP: 0018:ffff888013edfbc0 EFLAGS: 00010286 [ 49.678310] RAX: 0000000000000000 RBX: ffffed10027dbf78 RCX: ffffffff813a4050 [ 49.679619] RDX: ffff888015fd9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.681046] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10027dbf2f [ 49.682684] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.684334] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013edfdf8 [ 49.685851] FS: 00007f8ffda21900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.687330] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.688476] CR2: 00007f8ffdf13580 CR3: 000000001fabc000 CR4: 0000000000350ef0 [ 49.689777] Call Trace: [ 49.690264] [ 49.690724] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.691643] ? __create_object+0x59/0x80 [ 49.692429] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.693441] __vmalloc_noprof+0x59/0x60 [ 49.694236] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.695130] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.696157] bpf_prog_alloc+0x39/0x200 [ 49.696927] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.697887] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.698824] do_seccomp+0x349/0x25e0 [ 49.699572] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.700535] ? __pfx_do_seccomp+0x10/0x10 [ 49.701294] ? find_held_lock+0x2b/0x80 [ 49.702057] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.703069] ? static_key_count+0x60/0x80 [ 49.703923] prctl_set_seccomp+0x4e/0x70 [ 49.704744] __do_sys_prctl+0xe6c/0x1d70 [ 49.705568] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.706425] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.707433] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.708512] ? irqentry_exit+0xf3/0x650 [ 49.709255] do_syscall_64+0xbf/0x430 [ 49.710019] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.710995] RIP: 0033:0x7f8ffdf135cd [ 49.711720] 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 [ 49.715036] RSP: 002b:00007ffe9c2d0910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.716493] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8ffdf135cd [ 49.717815] RDX: 0000559a7e627e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.719183] RBP: 00007ffe9c2d0970 R08: 0000000000000000 R09: 00007ffe9c2d0010 [ 49.720535] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559aba93fad0 [ 49.721864] R13: 00007ffe9c2d0da0 R14: 0000559aba940bc0 R15: 0000559aba951780 [ 49.723216] [ 49.723704] irq event stamp: 1755 [ 49.724370] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 49.725919] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 49.727494] softirqs last enabled at (1712): [] handle_softirqs+0x50c/0x770 [ 49.728871] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 49.729863] ---[ end trace 0000000000000000 ]--- [ 50.504105] ------------[ cut here ]------------ [ 50.504871] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.506595] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.507797] Modules linked in: [ 50.508315] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.509956] Tainted: [W]=WARN [ 50.510410] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.511677] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.512422] 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 [ 50.515068] RSP: 0018:ffff8880165dfbc0 EFLAGS: 00010286 [ 50.515899] RAX: 0000000000000000 RBX: ffffed1002cbbf78 RCX: ffffffff813a4050 [ 50.516973] RDX: ffff888018493780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.518034] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cbbf2f [ 50.519096] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.520192] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880165dfdf8 [ 50.521254] FS: 00007f8456532900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.522440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.523307] CR2: 00007f8456a24580 CR3: 000000001f99d000 CR4: 0000000000350ef0 [ 50.524404] Call Trace: [ 50.524821] [ 50.525165] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.525898] ? __create_object+0x59/0x80 [ 50.526546] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.527307] __vmalloc_noprof+0x59/0x60 [ 50.527978] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.528707] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.529442] bpf_prog_alloc+0x39/0x200 [ 50.530053] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.530824] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.531577] do_seccomp+0x349/0x25e0 [ 50.532162] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.532907] ? __pfx_do_seccomp+0x10/0x10 [ 50.533576] ? find_held_lock+0x2b/0x80 [ 50.534171] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.534973] ? static_key_count+0x60/0x80 [ 50.535624] prctl_set_seccomp+0x4e/0x70 [ 50.536263] __do_sys_prctl+0xe6c/0x1d70 [ 50.536915] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.537618] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.538372] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.539181] ? irqentry_exit+0xf3/0x650 [ 50.539812] do_syscall_64+0xbf/0x430 [ 50.540418] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.541204] RIP: 0033:0x7f8456a245cd [ 50.541784] 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 [ 50.544429] RSP: 002b:00007ffd285e6c40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.545597] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8456a245cd [ 50.546668] RDX: 000055ed78f75e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.547730] RBP: 00007ffd285e6ca0 R08: 0000000000000000 R09: 00007ffd285e6340 [ 50.548821] R10: 0000000000000000 R11: 0000000000000246 R12: 000055edb676f2b0 [ 50.549884] R13: 00007ffd285e70d0 R14: 000055edb6771d20 R15: 000055edb67838d0 [ 50.550960] [ 50.551309] irq event stamp: 1747 [ 50.551843] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 50.553139] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 50.554410] softirqs last enabled at (1782): [] handle_softirqs+0x50c/0x770 [ 50.555708] softirqs last disabled at (1775): [] __irq_exit_rcu+0xc4/0x100 [ 50.557002] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37446' (ECDSA) to the list of known hosts. 2025/11/17 18:47:30 fuzzer started 2025/11/17 18:47:30 dialing manager at localhost:37895 2025/11/17 18:47:30 checking machine... 2025/11/17 18:47:30 checking revisions... [ 51.422623] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:47:30 testing simple program... [ 51.503639] cgroup: Unknown subsys name 'net' [ 51.559360] cgroup: Unknown subsys name 'cpuset' [ 51.574309] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:47:29 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff8880161d3780 RCX=0000000000000004 RDX=0000000000000003 RSI=ffff8880161d4250 RDI=ffffffff84c9815c RBP=ffffffff84c9815c RSP=ffff88806ce08da0 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f657 R11=0000000000000001 R12=ffffea0000718a00 R13=0000000000000000 R14=ffff88801c628fa8 R15=ffff888009472140 RIP=ffffffff84c71c72 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 00007f41c0c07700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe9c2ca000 CR3=000000000dce3000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a36303530352074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363035 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff88800d258940 RBX=ffff88800d258128 RCX=0000000000000000 RDX=ffffffff81b2e2bb RSI=ffff88800d258940 RDI=ffff888008c4b780 RBP=ffff888008c4b780 RSP=ffff88801771fbb0 R8 =0000000000000001 R9 =ffffffff81b2e2bb R10=0000000080000000 R11=0000000000000001 R12=0000000000000000 R13=ffff88801771fbf8 R14=ffff88800d258940 R15=ffff88800d258940 RIP=ffffffff81ab9f6b RFL=00000293 [--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 00007f4be9d37900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe5234bb008 CR3=000000000d47c000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000