syzkaller login: [ 45.583415] ------------[ cut here ]------------ [ 45.584398] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.586425] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235 [ 45.587893] Modules linked in: [ 45.588537] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.590547] Tainted: [W]=WARN [ 45.591113] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.592621] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.593567] 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 [ 45.596811] RSP: 0018:ffff8880199f7bc0 EFLAGS: 00010286 [ 45.597848] RAX: 0000000000000000 RBX: ffffed100333ef78 RCX: ffffffff813a4050 [ 45.599162] RDX: ffff888017641bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.600460] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100333ef2f [ 45.601792] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.603072] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880199f7df8 [ 45.604387] FS: 00007f4fcdb1f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.605860] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.606929] CR2: 00007ffeaaf5def7 CR3: 000000000e535000 CR4: 0000000000350ef0 [ 45.608247] Call Trace: [ 45.608720] [ 45.609134] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.610039] ? __create_object+0x59/0x80 [ 45.610817] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.611805] __vmalloc_noprof+0x59/0x60 [ 45.612575] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.613460] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.614393] bpf_prog_alloc+0x39/0x200 [ 45.615110] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.616062] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.616960] do_seccomp+0x349/0x25e0 [ 45.617692] ? find_held_lock+0x2b/0x80 [ 45.618448] ? do_prlimit+0x310/0x610 [ 45.619146] ? __pfx_do_seccomp+0x10/0x10 [ 45.619932] ? do_raw_spin_unlock+0x53/0x220 [ 45.620763] ? _raw_spin_unlock+0x1e/0x40 [ 45.621589] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.622615] ? static_key_count+0x60/0x80 [ 45.623420] prctl_set_seccomp+0x4e/0x70 [ 45.624153] __do_sys_prctl+0xe6c/0x1d70 [ 45.624940] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.625839] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.626852] ? irqentry_exit+0xf3/0x650 [ 45.627641] do_syscall_64+0xbf/0x430 [ 45.628394] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.629371] RIP: 0033:0x7f4fce0115cd [ 45.630047] 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 [ 45.633319] RSP: 002b:00007ffeaaf5b4e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.634707] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4fce0115cd [ 45.636000] RDX: 0000558f09f2ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.637319] RBP: 00007ffeaaf5b540 R08: 0000000000000000 R09: 00007ffeaaf5abe0 [ 45.638624] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558f32ff3ad0 [ 45.639922] R13: 00007ffeaaf5b970 R14: 0000558f32ff4bc0 R15: 0000558f33005780 [ 45.641266] [ 45.641704] irq event stamp: 1791 [ 45.642348] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 45.643871] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 45.645402] softirqs last enabled at (1664): [] handle_softirqs+0x50c/0x770 [ 45.646984] softirqs last disabled at (1657): [] __irq_exit_rcu+0xc4/0x100 [ 45.648529] ---[ end trace 0000000000000000 ]--- [ 48.734516] ------------[ cut here ]------------ [ 48.735452] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.737487] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 48.738954] Modules linked in: [ 48.740953] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.743481] Tainted: [W]=WARN [ 48.744045] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.745536] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.746439] 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 [ 48.749634] RSP: 0018:ffff888019b7fbc0 EFLAGS: 00010286 [ 48.750631] RAX: 0000000000000000 RBX: ffffed100336ff78 RCX: ffffffff813a4050 [ 48.751915] RDX: ffff888016000000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.753213] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100336ff2f [ 48.754506] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.755820] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019b7fdf8 [ 48.757131] FS: 00007fe577dac900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 48.758575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.759651] CR2: 00007ffd5cd17ef7 CR3: 000000000c80c000 CR4: 0000000000350ef0 [ 48.760949] Call Trace: [ 48.761468] [ 48.761889] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.762786] ? __create_object+0x59/0x80 [ 48.763573] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.764549] __vmalloc_noprof+0x59/0x60 [ 48.765321] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.766164] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.767102] bpf_prog_alloc+0x39/0x200 [ 48.767849] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.768783] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.769711] do_seccomp+0x349/0x25e0 [ 48.770436] ? find_held_lock+0x2b/0x80 [ 48.771155] ? do_prlimit+0x310/0x610 [ 48.771904] ? __pfx_do_seccomp+0x10/0x10 [ 48.772698] ? do_raw_spin_unlock+0x53/0x220 [ 48.773566] ? _raw_spin_unlock+0x1e/0x40 [ 48.774351] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.775316] ? static_key_count+0x60/0x80 [ 48.776077] prctl_set_seccomp+0x4e/0x70 [ 48.776854] __do_sys_prctl+0xe6c/0x1d70 [ 48.777666] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.778540] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.779526] ? irqentry_exit+0xf3/0x650 [ 48.780291] do_syscall_64+0xbf/0x430 [ 48.780981] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.781947] RIP: 0033:0x7fe57829e5cd [ 48.782653] 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 [ 48.785830] RSP: 002b:00007ffd5cd15530 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.787202] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe57829e5cd [ 48.788495] RDX: 00005590b63cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.789811] RBP: 00007ffd5cd15590 R08: 0000000000000000 R09: 00007ffd5cd14c30 [ 48.791106] R10: 0000000000000000 R11: 0000000000000246 R12: 00005590b9004240 [ 48.792390] R13: 00007ffd5cd159c0 R14: 00005590b9003bf0 R15: 00005590b90184d0 [ 48.793712] [ 48.794139] irq event stamp: 2173 [ 48.794788] hardirqs last enabled at (2183): [] __up_console_sem+0x78/0x80 [ 48.796346] hardirqs last disabled at (2204): [] __up_console_sem+0x5d/0x80 [ 48.797894] softirqs last enabled at (2202): [] handle_softirqs+0x50c/0x770 [ 48.799444] softirqs last disabled at (2191): [] __irq_exit_rcu+0xc4/0x100 [ 48.800971] ---[ end trace 0000000000000000 ]--- [ 49.596896] ------------[ cut here ]------------ [ 49.597865] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.599837] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 49.601296] Modules linked in: [ 49.601876] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.603809] Tainted: [W]=WARN [ 49.604399] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.605851] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.606750] 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 [ 49.609857] RSP: 0018:ffff88801a847bc0 EFLAGS: 00010286 [ 49.610842] RAX: 0000000000000000 RBX: ffffed1003508f78 RCX: ffffffff813a4050 [ 49.612105] RDX: ffff888016811bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.613372] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003508f2f [ 49.614630] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.615887] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a847df8 [ 49.617158] FS: 00007ff9671db900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.618575] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.619604] CR2: 00007fffa2634ef7 CR3: 000000001fb8d000 CR4: 0000000000350ef0 [ 49.620872] Call Trace: [ 49.621374] [ 49.621778] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.622664] ? __create_object+0x59/0x80 [ 49.623505] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.624539] __vmalloc_noprof+0x59/0x60 [ 49.625385] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.626312] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.627312] bpf_prog_alloc+0x39/0x200 [ 49.628055] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.629044] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.630005] do_seccomp+0x349/0x25e0 [ 49.630786] ? find_held_lock+0x2b/0x80 [ 49.631601] ? do_prlimit+0x310/0x610 [ 49.632417] ? __pfx_do_seccomp+0x10/0x10 [ 49.633275] ? do_raw_spin_unlock+0x53/0x220 [ 49.634099] ? _raw_spin_unlock+0x1e/0x40 [ 49.634942] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.635942] ? static_key_count+0x60/0x80 [ 49.636800] prctl_set_seccomp+0x4e/0x70 [ 49.637647] __do_sys_prctl+0xe6c/0x1d70 [ 49.638485] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.639396] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.640423] ? irqentry_exit+0xf3/0x650 [ 49.641192] do_syscall_64+0xbf/0x430 [ 49.641986] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.642988] RIP: 0033:0x7ff9676cd5cd [ 49.643731] 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 [ 49.647081] RSP: 002b:00007fffa2633e30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.648521] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff9676cd5cd [ 49.649908] RDX: 000055d85a55be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.651278] RBP: 00007fffa2633e90 R08: 0000000000000000 R09: 00007fffa2633530 [ 49.652632] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d86aeb2ad0 [ 49.654006] R13: 00007fffa26342c0 R14: 000055d86aeb3bc0 R15: 000055d86aec4780 [ 49.655383] [ 49.655831] irq event stamp: 1723 [ 49.656532] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 49.658144] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 49.659751] softirqs last enabled at (1294): [] handle_softirqs+0x50c/0x770 [ 49.661398] softirqs last disabled at (1289): [] __irq_exit_rcu+0xc4/0x100 [ 49.662989] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59281' (ECDSA) to the list of known hosts. 2025/11/19 06:10:23 fuzzer started 2025/11/19 06:10:24 dialing manager at localhost:34383 2025/11/19 06:10:24 checking machine... 2025/11/19 06:10:24 checking revisions... [ 50.567011] kmemleak: Automatic memory scanning thread ended 2025/11/19 06:10:24 testing simple program... [ 50.651377] cgroup: Unknown subsys name 'net' [ 50.702111] cgroup: Unknown subsys name 'cpuset' [ 50.714725] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 06:10:23 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff83ee3076 RDX=ffff888016005340 RSI=ffffffff83ee3083 RDI=0000000000000005 RBP=ffff88801b2e8000 RSP=ffff8880161efb80 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000012d2c21f R13=00000000000000f1 R14=ffff888009924000 R15=ffff888013432c00 RIP=ffffffff81751e08 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 00007fe577dac900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005590b9005954 CR3=000000001fa70000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81b2a224 RBX=ffffffff81619130 RCX=ffff8880160df4bc RDX=1ffff11002c1beb8 RSI=ffffffff81b2a224 RDI=ffff8880160df630 RBP=ffff8880160df600 RSP=ffff8880160df560 R8 =ffffffff86a49dd0 R9 =ffff8880160df5a8 R10=000000000003c9ed R11=0000000000012f5f R12=ffff8880160df630 R13=0000000000000000 R14=ffff888013e25340 R15=0000000000092cc0 RIP=ffffffff81619130 RFL=00000286 [--S--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 00007fb629b8f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb6292a5000 CR3=000000000b712000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=d684d8217233320900000000000ae988 XMM05=4e6105b414268e2f000000000031fe08 XMM06=090f1556b20111b3000000000031e538 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000