syzkaller login: [ 38.979180] ------------[ cut here ]------------ [ 38.980101] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.982124] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.983617] Modules linked in: [ 38.984260] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.986474] Tainted: [W]=WARN [ 38.987584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.989080] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.990011] 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 [ 38.993232] RSP: 0018:ffff88801b24fbc0 EFLAGS: 00010286 [ 38.994241] RAX: 0000000000000000 RBX: ffffed1003649f78 RCX: ffffffff813a4050 [ 38.995555] RDX: ffff8880181f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.996848] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003649f2f [ 38.998165] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.999479] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b24fdf8 [ 39.000780] FS: 00007f9de3ca4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.002248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.003341] CR2: 00007f9de4196580 CR3: 000000000daae000 CR4: 0000000000350ef0 [ 39.004644] Call Trace: [ 39.005155] [ 39.005576] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.006485] ? __create_object+0x59/0x80 [ 39.007292] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.008280] __vmalloc_noprof+0x59/0x60 [ 39.009053] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.009958] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.010858] bpf_prog_alloc+0x39/0x200 [ 39.011625] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.012566] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.013476] do_seccomp+0x349/0x25e0 [ 39.014204] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.015132] ? __pfx_do_seccomp+0x10/0x10 [ 39.015943] ? find_held_lock+0x2b/0x80 [ 39.016670] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.017633] ? static_key_count+0x60/0x80 [ 39.018433] prctl_set_seccomp+0x4e/0x70 [ 39.019238] __do_sys_prctl+0xe6c/0x1d70 [ 39.020045] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.020853] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.021825] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.022813] ? irqentry_exit+0xf3/0x650 [ 39.023621] do_syscall_64+0xbf/0x430 [ 39.024369] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.025340] RIP: 0033:0x7f9de41965cd [ 39.026044] 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 [ 39.029261] RSP: 002b:00007ffda7ed2bb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.030648] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9de41965cd [ 39.031978] RDX: 0000561ff0d15e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.033285] RBP: 00007ffda7ed2c10 R08: 0000000000000000 R09: 00007ffda7ed22b0 [ 39.034599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561ff51c62b0 [ 39.035909] R13: 00007ffda7ed3040 R14: 0000561ff51c8d20 R15: 0000561ff51da8d0 [ 39.037227] [ 39.037660] irq event stamp: 1907 [ 39.038316] hardirqs last enabled at (1917): [] __up_console_sem+0x78/0x80 [ 39.039889] hardirqs last disabled at (1928): [] __up_console_sem+0x5d/0x80 [ 39.041423] softirqs last enabled at (1790): [] handle_softirqs+0x50c/0x770 [ 39.043004] softirqs last disabled at (1785): [] __irq_exit_rcu+0xc4/0x100 [ 39.044305] ---[ end trace 0000000000000000 ]--- [ 42.039351] ------------[ cut here ]------------ [ 42.040294] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.042301] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.043735] Modules linked in: [ 42.044371] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.046357] Tainted: [W]=WARN [ 42.046941] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.048520] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.049431] 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 [ 42.052837] RSP: 0018:ffff888016a2fbc0 EFLAGS: 00010286 [ 42.053905] RAX: 0000000000000000 RBX: ffffed1002d45f78 RCX: ffffffff813a4050 [ 42.055220] RDX: ffff888015c03780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.056497] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d45f2f [ 42.057755] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.059044] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a2fdf8 [ 42.060328] FS: 00007f99be16b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.061755] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.062803] CR2: 00007f99be6d14a6 CR3: 000000000e84d000 CR4: 0000000000350ef0 [ 42.064089] Call Trace: [ 42.064551] [ 42.065017] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.065926] ? __create_object+0x59/0x80 [ 42.066657] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.067616] __vmalloc_noprof+0x59/0x60 [ 42.068367] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.069230] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.070179] bpf_prog_alloc+0x39/0x200 [ 42.070928] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.071820] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.072719] do_seccomp+0x349/0x25e0 [ 42.073445] ? find_held_lock+0x2b/0x80 [ 42.074190] ? do_prlimit+0x310/0x610 [ 42.074932] ? __pfx_do_seccomp+0x10/0x10 [ 42.075678] ? do_raw_spin_unlock+0x53/0x220 [ 42.076502] ? _raw_spin_unlock+0x1e/0x40 [ 42.077279] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.078240] ? static_key_count+0x60/0x80 [ 42.079053] prctl_set_seccomp+0x4e/0x70 [ 42.079774] __do_sys_prctl+0xe6c/0x1d70 [ 42.080554] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.081400] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.082362] ? irqentry_exit+0xf3/0x650 [ 42.083136] do_syscall_64+0xbf/0x430 [ 42.083830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.084779] RIP: 0033:0x7f99be65d5cd [ 42.085489] 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 [ 42.088659] RSP: 002b:00007ffc79096120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.090019] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99be65d5cd [ 42.091317] RDX: 000055582a93ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.092594] RBP: 00007ffc79096180 R08: 0000000000000000 R09: 00007ffc79095820 [ 42.093886] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555859248ad0 [ 42.095173] R13: 00007ffc790965b0 R14: 0000555859249bc0 R15: 000055585925a780 [ 42.096459] [ 42.096922] irq event stamp: 1827 [ 42.097521] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 42.099026] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 42.100534] softirqs last enabled at (1748): [] handle_softirqs+0x50c/0x770 [ 42.102057] softirqs last disabled at (1743): [] __irq_exit_rcu+0xc4/0x100 [ 42.103546] ---[ end trace 0000000000000000 ]--- [ 42.788270] ------------[ cut here ]------------ [ 42.789199] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.791263] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.792729] Modules linked in: [ 42.794734] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.796817] Tainted: [W]=WARN [ 42.797420] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.798908] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.799805] 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 [ 42.803013] RSP: 0018:ffff888017267bc0 EFLAGS: 00010286 [ 42.804020] RAX: 0000000000000000 RBX: ffffed1002e4cf78 RCX: ffffffff813a4050 [ 42.805304] RDX: ffff88800d2a8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.806577] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e4cf2f [ 42.807891] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.809176] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017267df8 [ 42.810464] FS: 00007f92257bc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.811927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.812987] CR2: 00007ffe6e3baef7 CR3: 000000000b8cf000 CR4: 0000000000350ef0 [ 42.814260] Call Trace: [ 42.814724] [ 42.815196] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.816100] ? __create_object+0x59/0x80 [ 42.816855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.817838] __vmalloc_noprof+0x59/0x60 [ 42.818602] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.819496] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.820428] bpf_prog_alloc+0x39/0x200 [ 42.821180] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.822107] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.823030] do_seccomp+0x349/0x25e0 [ 42.823708] ? find_held_lock+0x2b/0x80 [ 42.824467] ? do_prlimit+0x310/0x610 [ 42.825219] ? __pfx_do_seccomp+0x10/0x10 [ 42.826026] ? do_raw_spin_unlock+0x53/0x220 [ 42.826810] ? _raw_spin_unlock+0x1e/0x40 [ 42.827622] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.828596] ? static_key_count+0x60/0x80 [ 42.829394] prctl_set_seccomp+0x4e/0x70 [ 42.830174] __do_sys_prctl+0xe6c/0x1d70 [ 42.830974] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.831792] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.832763] ? irqentry_exit+0xf3/0x650 [ 42.833560] do_syscall_64+0xbf/0x430 [ 42.834306] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.835281] RIP: 0033:0x7f9225cae5cd [ 42.835993] 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 [ 42.839193] RSP: 002b:00007ffe6e3b8930 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.840550] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9225cae5cd [ 42.841844] RDX: 0000560f8da01e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.843181] RBP: 00007ffe6e3b8990 R08: 0000000000000000 R09: 00007ffe6e3b8030 [ 42.844272] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560faf116b10 [ 42.845339] R13: 00007ffe6e3b8dc0 R14: 0000560faf1172b0 R15: 0000560faf12b6f0 [ 42.846424] [ 42.846775] irq event stamp: 2199 [ 42.847330] hardirqs last enabled at (2209): [] __up_console_sem+0x78/0x80 [ 42.848601] hardirqs last disabled at (2218): [] __up_console_sem+0x5d/0x80 [ 42.849885] softirqs last enabled at (2152): [] handle_softirqs+0x50c/0x770 [ 42.851187] softirqs last disabled at (2147): [] __irq_exit_rcu+0xc4/0x100 [ 42.852452] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:24565' (ECDSA) to the list of known hosts. 2025/11/18 06:33:39 fuzzer started 2025/11/18 06:33:39 dialing manager at localhost:37895 2025/11/18 06:33:39 checking machine... 2025/11/18 06:33:39 checking revisions... [ 43.563951] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:33:39 testing simple program... [ 43.636594] cgroup: Unknown subsys name 'net' [ 43.700792] cgroup: Unknown subsys name 'cpuset' [ 43.710693] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:33:39 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffffffff85e787a8 RCX=ffffffff8175a5b5 RDX=ffff88800d2ad340 RSI=ffffffff8175a55b RDI=0000000000000001 RBP=0000000000000001 RSP=ffff8880167ff388 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=ffffffff85e787a8 R15=0000000000000000 RIP=ffffffff84c721b6 RFL=00000202 [-------] 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 00007f7a61e4f700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fe19aebf038 CR3=000000001b9a1000 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=3a5d3134325b646873732038333a3333 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303735 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=0000000000000000 RBX=ffff8880136b73f0 RCX=ffffffff86aaa302 RDX=1ffff110026d6e7e RSI=ffff8880136b7da0 RDI=ffff8880136b73f0 RBP=ffff8880136b7da0 RSP=ffff8880136b7348 R8 =ffffffff86aaa306 R9 =0000000000000000 R10=000000000003c9ed R11=000000000002308b R12=0000000000000008 R13=ffff8880136b7438 R14=ffff8880136b7da8 R15=ffff8880136b73f0 RIP=ffffffff8135e23a RFL=00000296 [--S-AP-] 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 00007f99be16b900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f99be13a008 CR3=000000000d1db000 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=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