syzkaller login: [ 38.971383] ------------[ cut here ]------------ [ 38.972325] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.974297] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.975787] Modules linked in: [ 38.976421] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.978380] Tainted: [W]=WARN [ 38.978980] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.980415] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.981299] 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 [ 38.984406] RSP: 0018:ffff888018abfbc0 EFLAGS: 00010286 [ 38.985371] RAX: 0000000000000000 RBX: ffffed1003157f78 RCX: ffffffff813a4050 [ 38.986644] RDX: ffff888015f89bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.987891] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003157f2f [ 38.989149] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.990432] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018abfdf8 [ 38.991688] FS: 00007f89f1418900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.993070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.994144] CR2: 00007f89f197e4a6 CR3: 000000000e41b000 CR4: 0000000000350ef0 [ 38.995385] Call Trace: [ 38.995827] [ 38.996268] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.997160] ? __create_object+0x59/0x80 [ 38.997909] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.998874] __vmalloc_noprof+0x59/0x60 [ 38.999629] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.000498] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.001446] bpf_prog_alloc+0x39/0x200 [ 39.002185] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.003084] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.003981] do_seccomp+0x349/0x25e0 [ 39.004647] ? find_held_lock+0x2b/0x80 [ 39.005423] ? do_prlimit+0x310/0x610 [ 39.006162] ? __pfx_do_seccomp+0x10/0x10 [ 39.006902] ? do_raw_spin_unlock+0x53/0x220 [ 39.007721] ? _raw_spin_unlock+0x1e/0x40 [ 39.008484] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.009463] ? static_key_count+0x60/0x80 [ 39.010258] prctl_set_seccomp+0x4e/0x70 [ 39.011023] __do_sys_prctl+0xe6c/0x1d70 [ 39.011749] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.012584] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.013575] ? irqentry_exit+0xf3/0x650 [ 39.014327] do_syscall_64+0xbf/0x430 [ 39.015065] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.016018] RIP: 0033:0x7f89f190a5cd [ 39.016657] 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 [ 39.019741] RSP: 002b:00007ffe93dec140 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.021063] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f89f190a5cd [ 39.022365] RDX: 0000560f61aebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.023621] RBP: 00007ffe93dec1a0 R08: 0000000000000000 R09: 00007ffe93deb840 [ 39.024874] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560f8e241ad0 [ 39.026166] R13: 00007ffe93dec5d0 R14: 0000560f8e242bc0 R15: 0000560f8e253780 [ 39.027443] [ 39.027858] irq event stamp: 1787 [ 39.028489] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 39.030007] hardirqs last disabled at (1806): [] __up_console_sem+0x5d/0x80 [ 39.031506] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 39.033007] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 39.034513] ---[ end trace 0000000000000000 ]--- [ 42.401115] ------------[ cut here ]------------ [ 42.402052] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.404079] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.405546] Modules linked in: [ 42.406188] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.408402] Tainted: [W]=WARN [ 42.409064] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.410582] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.411495] 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 [ 42.414661] RSP: 0018:ffff88801775fbc0 EFLAGS: 00010286 [ 42.415644] RAX: 0000000000000000 RBX: ffffed1002eebf78 RCX: ffffffff813a4050 [ 42.416955] RDX: ffff88801618b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.418309] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002eebf2f [ 42.419587] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.420857] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801775fdf8 [ 42.422153] FS: 00007fba9d2dd900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.423574] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.424641] CR2: 00007ffda9a0fef8 CR3: 000000000dbbf000 CR4: 0000000000350ef0 [ 42.425914] Call Trace: [ 42.426419] [ 42.426821] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.427725] ? __create_object+0x59/0x80 [ 42.428505] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.429476] __vmalloc_noprof+0x59/0x60 [ 42.430234] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.431088] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.431997] bpf_prog_alloc+0x39/0x200 [ 42.432696] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.433622] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.434516] do_seccomp+0x349/0x25e0 [ 42.435233] ? find_held_lock+0x2b/0x80 [ 42.436005] ? do_prlimit+0x310/0x610 [ 42.436698] ? __pfx_do_seccomp+0x10/0x10 [ 42.437491] ? do_raw_spin_unlock+0x53/0x220 [ 42.438317] ? _raw_spin_unlock+0x1e/0x40 [ 42.439088] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.440041] ? static_key_count+0x60/0x80 [ 42.440811] prctl_set_seccomp+0x4e/0x70 [ 42.441601] __do_sys_prctl+0xe6c/0x1d70 [ 42.442384] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.443232] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.444196] ? irqentry_exit+0xf3/0x650 [ 42.444915] do_syscall_64+0xbf/0x430 [ 42.445657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.446628] RIP: 0033:0x7fba9d7cf5cd [ 42.447322] 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 [ 42.450543] RSP: 002b:00007ffda9a0e5a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.451904] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fba9d7cf5cd [ 42.453190] RDX: 00005575f563ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.454468] RBP: 00007ffda9a0e600 R08: 0000000000000000 R09: 00007ffda9a0dca0 [ 42.455736] R10: 0000000000000000 R11: 0000000000000246 R12: 000055760a055ad0 [ 42.456996] R13: 00007ffda9a0ea30 R14: 000055760a056bc0 R15: 000055760a067780 [ 42.458292] [ 42.458710] irq event stamp: 1847 [ 42.459353] hardirqs last enabled at (1857): [] __up_console_sem+0x78/0x80 [ 42.460852] hardirqs last disabled at (1866): [] __up_console_sem+0x5d/0x80 [ 42.462357] softirqs last enabled at (1806): [] handle_softirqs+0x50c/0x770 [ 42.463873] softirqs last disabled at (1801): [] __irq_exit_rcu+0xc4/0x100 [ 42.465369] ---[ end trace 0000000000000000 ]--- [ 43.255629] ------------[ cut here ]------------ [ 43.256679] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.259005] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.260649] Modules linked in: [ 43.261343] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.263307] Tainted: [W]=WARN [ 43.263859] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.265549] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.266514] 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 [ 43.269662] RSP: 0018:ffff888017267bc0 EFLAGS: 00010286 [ 43.270616] RAX: 0000000000000000 RBX: ffffed1002e4cf78 RCX: ffffffff813a4050 [ 43.271867] RDX: ffff888017783780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.273126] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e4cf2f [ 43.274392] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.275657] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017267df8 [ 43.276907] FS: 00007fbf853c8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.278340] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.279389] CR2: 00007ffccd868ef8 CR3: 000000000dcbc000 CR4: 0000000000350ef0 [ 43.280663] Call Trace: [ 43.281153] [ 43.281565] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.282450] ? __create_object+0x59/0x80 [ 43.283212] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.284152] __vmalloc_noprof+0x59/0x60 [ 43.284859] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.285719] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.286621] bpf_prog_alloc+0x39/0x200 [ 43.287343] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.288271] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.289155] do_seccomp+0x349/0x25e0 [ 43.289839] ? find_held_lock+0x2b/0x80 [ 43.290580] ? do_prlimit+0x310/0x610 [ 43.291296] ? __pfx_do_seccomp+0x10/0x10 [ 43.292070] ? do_raw_spin_unlock+0x53/0x220 [ 43.292843] ? _raw_spin_unlock+0x1e/0x40 [ 43.293623] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.294555] ? static_key_count+0x60/0x80 [ 43.295338] prctl_set_seccomp+0x4e/0x70 [ 43.296098] __do_sys_prctl+0xe6c/0x1d70 [ 43.296828] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.297672] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.298618] ? irqentry_exit+0xf3/0x650 [ 43.299371] do_syscall_64+0xbf/0x430 [ 43.300092] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.301027] RIP: 0033:0x7fbf858ba5cd [ 43.301691] 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 [ 43.304826] RSP: 002b:00007ffccd866380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.306178] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbf858ba5cd [ 43.307440] RDX: 000055d21c952e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.308713] RBP: 00007ffccd8663e0 R08: 0000000000000000 R09: 00007ffccd865a80 [ 43.309988] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d236229ad0 [ 43.311256] R13: 00007ffccd866810 R14: 000055d23622abc0 R15: 000055d23623b780 [ 43.312533] [ 43.313019] irq event stamp: 1781 [ 43.313633] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 43.315142] hardirqs last disabled at (1798): [] __up_console_sem+0x5d/0x80 [ 43.316661] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 43.318196] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 43.319701] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45714' (ECDSA) to the list of known hosts. 2025/11/19 07:34:20 fuzzer started 2025/11/19 07:34:21 dialing manager at localhost:34383 2025/11/19 07:34:21 checking machine... 2025/11/19 07:34:21 checking revisions... [ 44.230790] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:34:21 testing simple program... [ 44.323198] cgroup: Unknown subsys name 'net' [ 44.374645] cgroup: Unknown subsys name 'cpuset' [ 44.388044] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 07:34:20 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000001 RCX=dfb8078e475e76a4 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffff88806ce08aa8 RSP=ffff88806ce089d8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff88806ce08a98 R14=ffff888016bdb780 R15=ffff88806ce08a50 RIP=ffffffff8135e4c2 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 00007f2d4fbe1700 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=00007ffda9a08000 CR3=0000000009f38000 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=3a5d3234325b646873732030323a3433 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383236 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=0000000000000001 RBX=ffff8880e548f000 RCX=ffffffff819e969d RDX=0000000000000000 RSI=ffffffff819e9634 RDI=ffff88806cf31cd0 RBP=ffffffff85e1ffe0 RSP=ffff888017027b10 R8 =0000000000000000 R9 =ffffed100179c6a8 R10=0000000000000001 R11=0000000000000001 R12=ffffffff819e9634 R13=0000000000000002 R14=0000000000000000 R15=0000000000007aba RIP=ffffffff815bd154 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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fba9d2dd900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fba9d8963ec CR3=0000000020439000 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=6720646572637465733a4d41503d706f XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000