syzkaller login: [ 39.318669] ------------[ cut here ]------------ [ 39.319589] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.321559] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.322982] Modules linked in: [ 39.323561] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.325398] Tainted: [W]=WARN [ 39.325900] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.327312] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.328189] 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 [ 39.331114] RSP: 0018:ffff888019e3fbc0 EFLAGS: 00010286 [ 39.331933] RAX: 0000000000000000 RBX: ffffed10033c7f78 RCX: ffffffff813a4050 [ 39.333103] RDX: ffff888016db5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.334277] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033c7f2f [ 39.335452] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.336582] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019e3fdf8 [ 39.337724] FS: 00007fe910480900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.339016] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.339912] CR2: 00007ffed9e9cef7 CR3: 000000000e355000 CR4: 0000000000350ef0 [ 39.341051] Call Trace: [ 39.341465] [ 39.341827] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.342623] ? __create_object+0x59/0x80 [ 39.343338] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.344199] __vmalloc_noprof+0x59/0x60 [ 39.344825] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.345592] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.346413] bpf_prog_alloc+0x39/0x200 [ 39.347075] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.347853] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.348663] do_seccomp+0x349/0x25e0 [ 39.349296] ? find_held_lock+0x2b/0x80 [ 39.349928] ? do_prlimit+0x310/0x610 [ 39.350585] ? __pfx_do_seccomp+0x10/0x10 [ 39.351311] ? do_raw_spin_unlock+0x53/0x220 [ 39.352058] ? _raw_spin_unlock+0x1e/0x40 [ 39.352719] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.353582] ? static_key_count+0x60/0x80 [ 39.354298] prctl_set_seccomp+0x4e/0x70 [ 39.354945] __do_sys_prctl+0xe6c/0x1d70 [ 39.355639] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.356399] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.357261] ? irqentry_exit+0xf3/0x650 [ 39.357902] do_syscall_64+0xbf/0x430 [ 39.358569] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.359437] RIP: 0033:0x7fe9109725cd [ 39.360058] 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 [ 39.362888] RSP: 002b:00007ffed9e9a9a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.364111] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe9109725cd [ 39.365245] RDX: 00005590cc892e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.366454] RBP: 00007ffed9e9aa00 R08: 0000000000000000 R09: 00007ffed9e9a0a0 [ 39.367686] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590f946ead0 [ 39.368926] R13: 00007ffed9e9ae30 R14: 00005590f946fbc0 R15: 00005590f9480780 [ 39.370157] [ 39.370531] irq event stamp: 1753 [ 39.371131] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 39.372558] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 39.374013] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 39.375520] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 39.376942] ---[ end trace 0000000000000000 ]--- [ 42.880285] ------------[ cut here ]------------ [ 42.881187] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.883165] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.884572] Modules linked in: [ 42.885180] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.887347] Tainted: [W]=WARN [ 42.887886] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.889373] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.890253] 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 [ 42.893307] RSP: 0018:ffff88801775fbc0 EFLAGS: 00010286 [ 42.894256] RAX: 0000000000000000 RBX: ffffed1002eebf78 RCX: ffffffff813a4050 [ 42.895507] RDX: ffff888017060000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.896751] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eebf2f [ 42.897991] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.899239] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801775fdf8 [ 42.900479] FS: 00007f1bb98e5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.901873] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.902918] CR2: 00007f1bb9dd7580 CR3: 000000000e121000 CR4: 0000000000350ef0 [ 42.904164] Call Trace: [ 42.904615] [ 42.905058] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.905881] ? __create_object+0x59/0x80 [ 42.906641] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.907587] __vmalloc_noprof+0x59/0x60 [ 42.908313] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.909152] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.910060] bpf_prog_alloc+0x39/0x200 [ 42.910726] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.911640] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.912514] do_seccomp+0x349/0x25e0 [ 42.913217] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.914091] ? __pfx_do_seccomp+0x10/0x10 [ 42.914808] ? find_held_lock+0x2b/0x80 [ 42.915559] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.916488] ? static_key_count+0x60/0x80 [ 42.917262] prctl_set_seccomp+0x4e/0x70 [ 42.918000] __do_sys_prctl+0xe6c/0x1d70 [ 42.918713] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.919558] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.920486] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.921413] ? irqentry_exit+0xf3/0x650 [ 42.922157] do_syscall_64+0xbf/0x430 [ 42.922820] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.923740] RIP: 0033:0x7f1bb9dd75cd [ 42.924421] 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 [ 42.927487] RSP: 002b:00007fff1687a0a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.928791] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1bb9dd75cd [ 42.930009] RDX: 000055c74d625e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.931272] RBP: 00007fff1687a100 R08: 0000000000000000 R09: 00007fff168797a0 [ 42.932519] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c7579a8ad0 [ 42.933767] R13: 00007fff1687a530 R14: 000055c7579a9bc0 R15: 000055c7579ba780 [ 42.935042] [ 42.935447] irq event stamp: 1771 [ 42.936078] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.937552] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 42.939020] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 42.940513] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 42.941978] ---[ end trace 0000000000000000 ]--- [ 43.708927] ------------[ cut here ]------------ [ 43.709794] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.711711] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.713148] Modules linked in: [ 43.713709] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.715592] Tainted: [W]=WARN [ 43.716166] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.717574] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.718445] 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 [ 43.721446] RSP: 0018:ffff88800eef7bc0 EFLAGS: 00010286 [ 43.722377] RAX: 0000000000000000 RBX: ffffed1001ddef78 RCX: ffffffff813a4050 [ 43.723596] RDX: ffff888014758000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.724804] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ddef2f [ 43.726016] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.727235] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800eef7df8 [ 43.728441] FS: 00007fc3b8d2a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.729802] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.730812] CR2: 00007ffd1ac56ef7 CR3: 000000000e225000 CR4: 0000000000350ef0 [ 43.732034] Call Trace: [ 43.732470] [ 43.732852] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.733707] ? __create_object+0x59/0x80 [ 43.734446] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.735371] __vmalloc_noprof+0x59/0x60 [ 43.736087] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.736867] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.737747] bpf_prog_alloc+0x39/0x200 [ 43.738455] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.739352] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.740222] do_seccomp+0x349/0x25e0 [ 43.740864] ? find_held_lock+0x2b/0x80 [ 43.741585] ? do_prlimit+0x310/0x610 [ 43.742288] ? __pfx_do_seccomp+0x10/0x10 [ 43.743046] ? do_raw_spin_unlock+0x53/0x220 [ 43.743792] ? _raw_spin_unlock+0x1e/0x40 [ 43.744541] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.745458] ? static_key_count+0x60/0x80 [ 43.746213] prctl_set_seccomp+0x4e/0x70 [ 43.746913] __do_sys_prctl+0xe6c/0x1d70 [ 43.747662] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.748480] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.749406] ? irqentry_exit+0xf3/0x650 [ 43.750136] do_syscall_64+0xbf/0x430 [ 43.750792] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.751698] RIP: 0033:0x7fc3b921c5cd [ 43.752348] 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 [ 43.755340] RSP: 002b:00007ffd1ac54600 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.756619] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc3b921c5cd [ 43.757822] RDX: 0000564ebe33ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.759043] RBP: 00007ffd1ac54660 R08: 0000000000000000 R09: 00007ffd1ac53d00 [ 43.760252] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564ecbc71b10 [ 43.761459] R13: 00007ffd1ac54a90 R14: 0000564ecbc722b0 R15: 0000564ecbc866f0 [ 43.762694] [ 43.763149] irq event stamp: 1713 [ 43.763715] hardirqs last enabled at (1721): [] __up_console_sem+0x78/0x80 [ 43.765164] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 43.766587] softirqs last enabled at (1710): [] handle_softirqs+0x50c/0x770 [ 43.768053] softirqs last disabled at (1705): [] __irq_exit_rcu+0xc4/0x100 [ 43.769484] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25896' (ECDSA) to the list of known hosts. 2025/11/17 14:45:00 fuzzer started 2025/11/17 14:45:00 dialing manager at localhost:37895 2025/11/17 14:45:00 checking machine... 2025/11/17 14:45:00 checking revisions... [ 44.681076] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:45:00 testing simple program... [ 44.773283] cgroup: Unknown subsys name 'net' [ 44.850385] cgroup: Unknown subsys name 'cpuset' [ 44.864156] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:44:59 Registers: info registers vcpu 0 RAX=b503ba001073dead RBX=ffff888018017848 RCX=ffff88806ce089a4 RDX=0000000000000002 RSI=ffffffff85e1ffe0 RDI=ffff888017e15de8 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08998 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=0000000000006e15 R12=ffffffff8135e7a2 R13=0000000000000206 R14=ffff888017e15340 R15=0000000000000003 RIP=ffffffff81528fc6 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 00007f1bb98e5900 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=00007fff16874000 CR3=000000001f5e5000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=0000000000000000 RCX=ffffffff815c4906 RDX=ffffffff86650094 RSI=0000000000000008 RDI=ffff88806cf31cd0 RBP=0000000000000002 RSP=ffff88806cf08b58 R8 =0000000000000000 R9 =fffffbfff0cc9eca R10=ffffffff8664f657 R11=0000000000000001 R12=ffff88806cf27240 R13=0000000000000000 R14=ffffffff86650094 R15=dffffc0000000000 RIP=ffffffff815d9aa8 RFL=00000002 [-------] 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 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f0e3123d020 CR3=000000000dc8a000 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=7ebfe4d4dff5d2945f42decb2d6a245a XMM02=ec2efd57dc4c00df0000000000303b70 XMM03=fc9cfec339a357600000000000303c40 XMM04=76c67812bd49fdd800000000000ae988 XMM05=d96330e2d2db863200000000003204f0 XMM06=474038aa6c007e1f0000000000320378 XMM07=e042d86d42eb936e0000000000310bb0 XMM08=fc9cfec339a357600000000000303c40 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000