[ 45.784611] ------------[ cut here ]------------ [ 45.785481] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.787851] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 45.789316] Modules linked in: [ 45.789955] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.791935] Tainted: [W]=WARN [ 45.792541] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.794027] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.794932] 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 [ 45.798076] RSP: 0018:ffff888016ee7bc0 EFLAGS: 00010286 [ 45.799047] RAX: 0000000000000000 RBX: ffffed1002ddcf78 RCX: ffffffff813a4050 [ 45.800361] RDX: ffff8880164fd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.801641] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ddcf2f [ 45.802934] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.804208] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ee7df8 [ 45.805516] FS: 00007fb47ae18900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.806961] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.808020] CR2: 00007ffd925a2ef7 CR3: 000000000bbec000 CR4: 0000000000350ef0 [ 45.809330] Call Trace: [ 45.809844] [ 45.810276] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.811196] ? __create_object+0x59/0x80 [ 45.811985] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.812975] __vmalloc_noprof+0x59/0x60 [ 45.813751] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.814628] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.815558] bpf_prog_alloc+0x39/0x200 [ 45.816252] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.817183] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.818109] do_seccomp+0x349/0x25e0 [ 45.818831] ? find_held_lock+0x2b/0x80 [ 45.819610] ? do_prlimit+0x310/0x610 [ 45.820303] ? __pfx_do_seccomp+0x10/0x10 [ 45.821105] ? do_raw_spin_unlock+0x53/0x220 [ 45.821937] ? _raw_spin_unlock+0x1e/0x40 [ 45.822740] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.823718] ? static_key_count+0x60/0x80 [ 45.824542] prctl_set_seccomp+0x4e/0x70 [ 45.825277] __do_sys_prctl+0xe6c/0x1d70 [ 45.826082] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.826953] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.827924] ? irqentry_exit+0xf3/0x650 [ 45.828689] do_syscall_64+0xbf/0x430 [ 45.829385] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.830339] RIP: 0033:0x7fb47b30a5cd [ 45.831033] 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 [ 45.834240] RSP: 002b:00007ffd925a05f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.835630] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb47b30a5cd [ 45.836942] RDX: 000055dba66d0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.838252] RBP: 00007ffd925a0650 R08: 0000000000000000 R09: 00007ffd9259fcf0 [ 45.839550] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dbd2627ad0 [ 45.840845] R13: 00007ffd925a0a80 R14: 000055dbd2628bc0 R15: 000055dbd2639780 [ 45.842174] [ 45.842639] irq event stamp: 1741 [ 45.843265] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 45.844794] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 45.846338] softirqs last enabled at (1274): [] handle_softirqs+0x50c/0x770 [ 45.847885] softirqs last disabled at (1269): [] __irq_exit_rcu+0xc4/0x100 [ 45.849410] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.332136] ------------[ cut here ]------------ [ 49.333100] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.335125] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 49.336672] Modules linked in: [ 49.337271] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.339281] Tainted: [W]=WARN [ 49.339887] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.341360] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.342292] 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 [ 49.345460] RSP: 0018:ffff888016dcfbc0 EFLAGS: 00010286 [ 49.346441] RAX: 0000000000000000 RBX: ffffed1002db9f78 RCX: ffffffff813a4050 [ 49.347725] RDX: ffff888016005340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.349005] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db9f2f [ 49.350303] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.351592] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dcfdf8 [ 49.352866] FS: 00007f10001df900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.354324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.355400] CR2: 00007ffc9e217ef7 CR3: 000000000e222000 CR4: 0000000000350ef0 [ 49.356699] Call Trace: [ 49.357171] [ 49.357630] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.358535] ? __create_object+0x59/0x80 [ 49.359277] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.360242] __vmalloc_noprof+0x59/0x60 [ 49.360999] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.361886] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.362832] bpf_prog_alloc+0x39/0x200 [ 49.363586] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.364471] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.365403] do_seccomp+0x349/0x25e0 [ 49.366129] ? find_held_lock+0x2b/0x80 [ 49.366883] ? do_prlimit+0x310/0x610 [ 49.367637] ? __pfx_do_seccomp+0x10/0x10 [ 49.368375] ? do_raw_spin_unlock+0x53/0x220 [ 49.369207] ? _raw_spin_unlock+0x1e/0x40 [ 49.369984] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.370964] ? static_key_count+0x60/0x80 [ 49.371777] prctl_set_seccomp+0x4e/0x70 [ 49.372563] __do_sys_prctl+0xe6c/0x1d70 [ 49.373310] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.374178] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.375144] ? irqentry_exit+0xf3/0x650 [ 49.375931] do_syscall_64+0xbf/0x430 [ 49.376684] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.377655] RIP: 0033:0x7f10006d15cd [ 49.378328] 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 [ 49.381476] RSP: 002b:00007ffc9e2160b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.382850] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f10006d15cd [ 49.384120] RDX: 000055c7522dfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.385391] RBP: 00007ffc9e216110 R08: 0000000000000000 R09: 00007ffc9e2157b0 [ 49.386692] R10: 0000000000000000 R11: 0000000000000246 R12: 000055c761ad62b0 [ 49.387966] R13: 00007ffc9e216540 R14: 000055c761ad8d20 R15: 000055c761aea8d0 [ 49.389276] [ 49.389755] irq event stamp: 1783 [ 49.390362] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 49.391884] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 49.393423] softirqs last enabled at (1750): [] handle_softirqs+0x50c/0x770 [ 49.394967] softirqs last disabled at (1745): [] __irq_exit_rcu+0xc4/0x100 [ 49.396473] ---[ end trace 0000000000000000 ]--- [ 50.120821] ------------[ cut here ]------------ [ 50.121577] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.123235] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/256 [ 50.124429] Modules linked in: [ 50.124958] CPU: 0 UID: 104 PID: 256 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.126614] Tainted: [W]=WARN [ 50.127072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.128270] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.129023] 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 [ 50.131663] RSP: 0018:ffff888016a4fbc0 EFLAGS: 00010286 [ 50.132442] RAX: 0000000000000000 RBX: ffffed1002d49f78 RCX: ffffffff813a4050 [ 50.133515] RDX: ffff888014760000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.134583] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d49f2f [ 50.135636] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.136689] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a4fdf8 [ 50.137756] FS: 00007f891dfcb900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.138973] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.139852] CR2: 00007f891e5314a6 CR3: 000000000e40c000 CR4: 0000000000350ef0 [ 50.140906] Call Trace: [ 50.141288] [ 50.141662] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.142371] ? __create_object+0x59/0x80 [ 50.143025] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.143809] __vmalloc_noprof+0x59/0x60 [ 50.144393] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.145108] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.145875] bpf_prog_alloc+0x39/0x200 [ 50.146452] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.147218] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.147977] do_seccomp+0x349/0x25e0 [ 50.148569] ? find_held_lock+0x2b/0x80 [ 50.149157] ? do_prlimit+0x310/0x610 [ 50.149781] ? __pfx_do_seccomp+0x10/0x10 [ 50.150399] ? do_raw_spin_unlock+0x53/0x220 [ 50.151087] ? _raw_spin_unlock+0x1e/0x40 [ 50.151731] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.152531] ? static_key_count+0x60/0x80 [ 50.153154] prctl_set_seccomp+0x4e/0x70 [ 50.153789] __do_sys_prctl+0xe6c/0x1d70 [ 50.154403] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.155115] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.155910] ? irqentry_exit+0xf3/0x650 [ 50.156539] do_syscall_64+0xbf/0x430 [ 50.157117] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.157897] RIP: 0033:0x7f891e4bd5cd [ 50.158451] 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 [ 50.161075] RSP: 002b:00007fff6c2f9000 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.162203] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f891e4bd5cd [ 50.163261] RDX: 00005590982ffe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.164311] RBP: 00007fff6c2f9060 R08: 0000000000000000 R09: 00007fff6c2f8700 [ 50.165363] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590d48b9ad0 [ 50.166443] R13: 00007fff6c2f9490 R14: 00005590d48babc0 R15: 00005590d48cb780 [ 50.167528] [ 50.167877] irq event stamp: 1671 [ 50.168371] hardirqs last enabled at (1679): [] __up_console_sem+0x78/0x80 [ 50.169619] hardirqs last disabled at (1688): [] __up_console_sem+0x5d/0x80 [ 50.170905] softirqs last enabled at (416): [] handle_softirqs+0x50c/0x770 [ 50.172199] softirqs last disabled at (391): [] __irq_exit_rcu+0xc4/0x100 [ 50.173445] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2266' (ECDSA) to the list of known hosts. 2025/11/18 14:57:53 fuzzer started 2025/11/18 14:57:54 dialing manager at localhost:34383 2025/11/18 14:57:54 checking machine... 2025/11/18 14:57:54 checking revisions... [ 51.025726] kmemleak: Automatic memory scanning thread ended 2025/11/18 14:57:54 testing simple program... [ 51.125562] cgroup: Unknown subsys name 'net' [ 51.198322] cgroup: Unknown subsys name 'cpuset' [ 51.217354] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 14:57:53 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff86a0b9d8 RDX=1ffff110012c4f14 RSI=1ffff110012c4f13 RDI=ffff8880096278a8 RBP=ffff888009627898 RSP=ffff8880096277d0 R8 =ffffffff86a0b9dc R9 =ffff888009627880 R10=000000000003c9ed R11=0000000000008964 R12=ffff8880096278a0 R13=ffff888009627888 R14=ffff888009627db8 R15=ffff888009627840 RIP=ffffffff8135f056 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1000796618 CR3=000000001f224000 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=563412feff00545000000000000080fe XMM01=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000002799d 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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f23a3f44328 CR3=000000000ba21000 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=37353a343120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3734325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363430 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000