syzkaller login: [ 46.500841] ------------[ cut here ]------------ [ 46.501820] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.504060] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/244 [ 46.505649] Modules linked in: [ 46.506426] CPU: 0 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.508594] Tainted: [W]=WARN [ 46.509254] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.510830] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.511822] 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 [ 46.515226] RSP: 0018:ffff88801a9e7bc0 EFLAGS: 00010286 [ 46.516284] RAX: 0000000000000000 RBX: ffffed100353cf78 RCX: ffffffff813a4050 [ 46.517673] RDX: ffff88800f271bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.519062] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100353cf2f [ 46.520442] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.521849] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a9e7df8 [ 46.523238] FS: 00007fe7a5df2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.524820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.525970] CR2: 00007fe7a62e4580 CR3: 0000000009c86000 CR4: 0000000000350ef0 [ 46.527354] Call Trace: [ 46.527858] [ 46.528355] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.529348] ? __create_object+0x59/0x80 [ 46.530203] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.531253] __vmalloc_noprof+0x59/0x60 [ 46.532085] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.533052] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.534061] bpf_prog_alloc+0x39/0x200 [ 46.534804] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.535812] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.536812] do_seccomp+0x349/0x25e0 [ 46.537593] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.538572] ? __pfx_do_seccomp+0x10/0x10 [ 46.539422] ? find_held_lock+0x2b/0x80 [ 46.540244] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.541305] ? static_key_count+0x60/0x80 [ 46.542172] prctl_set_seccomp+0x4e/0x70 [ 46.543004] __do_sys_prctl+0xe6c/0x1d70 [ 46.543801] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.544748] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.545790] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.546845] ? irqentry_exit+0xf3/0x650 [ 46.547674] do_syscall_64+0xbf/0x430 [ 46.548475] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.549517] RIP: 0033:0x7fe7a62e45cd [ 46.550282] 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 [ 46.553699] RSP: 002b:00007fffa36d9f60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.555176] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe7a62e45cd [ 46.556585] RDX: 0000556bb8251e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.557962] RBP: 00007fffa36d9fc0 R08: 0000000000000000 R09: 00007fffa36d9660 [ 46.559368] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556bb8c582b0 [ 46.560777] R13: 00007fffa36da3f0 R14: 0000556bb8c5ad20 R15: 0000556bb8c6c8d0 [ 46.562165] [ 46.562622] irq event stamp: 1707 [ 46.563330] hardirqs last enabled at (1717): [] __up_console_sem+0x78/0x80 [ 46.565024] hardirqs last disabled at (1726): [] __up_console_sem+0x5d/0x80 [ 46.566673] softirqs last enabled at (1646): [] handle_softirqs+0x50c/0x770 [ 46.568345] softirqs last disabled at (1641): [] __irq_exit_rcu+0xc4/0x100 [ 46.569878] ---[ end trace 0000000000000000 ]--- [ 49.985324] ------------[ cut here ]------------ [ 49.986296] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.988458] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/252 [ 49.990049] Modules linked in: [ 49.990676] CPU: 0 UID: 104 PID: 252 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.992818] Tainted: [W]=WARN [ 49.993462] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.995046] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.996028] 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 [ 49.999462] RSP: 0018:ffff888016a3fbc0 EFLAGS: 00010286 [ 50.000524] RAX: 0000000000000000 RBX: ffffed1002d47f78 RCX: ffffffff813a4050 [ 50.001908] RDX: ffff88800f275340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.003332] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d47f2f [ 50.004722] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.006121] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a3fdf8 [ 50.007512] FS: 00007f2ba72d1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.009086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.010223] CR2: 00007f2ba77c3580 CR3: 000000001cb1b000 CR4: 0000000000350ef0 [ 50.011627] Call Trace: [ 50.012178] [ 50.012628] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.013590] ? __create_object+0x59/0x80 [ 50.014433] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.015482] __vmalloc_noprof+0x59/0x60 [ 50.016305] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.017261] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.018268] bpf_prog_alloc+0x39/0x200 [ 50.019072] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.020081] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.021068] do_seccomp+0x349/0x25e0 [ 50.021803] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.022771] ? __pfx_do_seccomp+0x10/0x10 [ 50.023612] ? find_held_lock+0x2b/0x80 [ 50.024436] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.025503] ? static_key_count+0x60/0x80 [ 50.026367] prctl_set_seccomp+0x4e/0x70 [ 50.027215] __do_sys_prctl+0xe6c/0x1d70 [ 50.028076] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.029017] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.030063] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.031105] ? irqentry_exit+0xf3/0x650 [ 50.031897] do_syscall_64+0xbf/0x430 [ 50.032731] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.033777] RIP: 0033:0x7f2ba77c35cd [ 50.034554] 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 [ 50.038030] RSP: 002b:00007ffc6aec4d10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.039520] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2ba77c35cd [ 50.040954] RDX: 000055fd09daae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.042362] RBP: 00007ffc6aec4d70 R08: 0000000000000000 R09: 00007ffc6aec4410 [ 50.043762] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fd0aba2ad0 [ 50.045163] R13: 00007ffc6aec51a0 R14: 000055fd0aba3bc0 R15: 000055fd0abb4780 [ 50.046582] [ 50.047087] irq event stamp: 1747 [ 50.047759] hardirqs last enabled at (1755): [] __up_console_sem+0x78/0x80 [ 50.049442] hardirqs last disabled at (1764): [] __up_console_sem+0x5d/0x80 [ 50.051116] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 50.052838] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 50.054120] ---[ end trace 0000000000000000 ]--- [ 50.809178] ------------[ cut here ]------------ [ 50.809595] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.810527] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/259 [ 50.811211] Modules linked in: [ 50.811486] CPU: 1 UID: 104 PID: 259 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.812386] Tainted: [W]=WARN [ 50.812648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.813316] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.813713] 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 [ 50.815158] RSP: 0018:ffff888016a5fbc0 EFLAGS: 00010286 [ 50.815582] RAX: 0000000000000000 RBX: ffffed1002d4bf78 RCX: ffffffff813a4050 [ 50.816166] RDX: ffff88801bc18000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.816733] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d4bf2f [ 50.817317] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.817873] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016a5fdf8 [ 50.818452] FS: 00007fab8058c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.819103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.819564] CR2: 00007fff787c0ef7 CR3: 000000000e9f5000 CR4: 0000000000350ef0 [ 50.820150] Call Trace: [ 50.820367] [ 50.820559] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.820969] ? __create_object+0x59/0x80 [ 50.821306] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.821725] __vmalloc_noprof+0x59/0x60 [ 50.822067] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.822447] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.822847] bpf_prog_alloc+0x39/0x200 [ 50.823184] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.823583] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.823991] do_seccomp+0x349/0x25e0 [ 50.824298] ? find_held_lock+0x2b/0x80 [ 50.824633] ? do_prlimit+0x310/0x610 [ 50.824972] ? __pfx_do_seccomp+0x10/0x10 [ 50.825307] ? do_raw_spin_unlock+0x53/0x220 [ 50.825660] ? _raw_spin_unlock+0x1e/0x40 [ 50.826016] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.826434] ? static_key_count+0x60/0x80 [ 50.826784] prctl_set_seccomp+0x4e/0x70 [ 50.827141] __do_sys_prctl+0xe6c/0x1d70 [ 50.827485] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.827860] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.828305] ? irqentry_exit+0xf3/0x650 [ 50.828644] do_syscall_64+0xbf/0x430 [ 50.828985] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.829403] RIP: 0033:0x7fab80a7e5cd [ 50.829705] 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 [ 50.831161] RSP: 002b:00007fff787beff0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.831765] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fab80a7e5cd [ 50.832346] RDX: 00005647e8959e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.832933] RBP: 00007fff787bf050 R08: 0000000000000000 R09: 00007fff787be6f0 [ 50.833506] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564818b25ad0 [ 50.834093] R13: 00007fff787bf480 R14: 0000564818b26bc0 R15: 0000564818b37780 [ 50.834674] [ 50.834868] irq event stamp: 1663 [ 50.835163] hardirqs last enabled at (1673): [] __up_console_sem+0x78/0x80 [ 50.835842] hardirqs last disabled at (1680): [] __up_console_sem+0x5d/0x80 [ 50.836547] softirqs last enabled at (1200): [] handle_softirqs+0x50c/0x770 [ 50.837258] softirqs last disabled at (1191): [] __irq_exit_rcu+0xc4/0x100 [ 50.837951] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:37406' (ECDSA) to the list of known hosts. 2025/11/18 04:23:28 fuzzer started 2025/11/18 04:23:28 dialing manager at localhost:37895 2025/11/18 04:23:28 checking machine... 2025/11/18 04:23:28 checking revisions... [ 51.719196] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:23:29 testing simple program... [ 51.818618] cgroup: Unknown subsys name 'net' [ 51.899668] cgroup: Unknown subsys name 'cpuset' [ 51.915042] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:23:28 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08968 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000003f7f9 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a50 RIP=ffffffff81529257 RFL=00000247 [---Z-PC] 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 00007f2ba72d1900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc6aebe000 CR3=000000001cb66000 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=ffffffff81204b6a RBX=ffffffff81618fa0 RCX=ffff888009757794 RDX=1ffff110012eaf13 RSI=ffffffff81204b6a RDI=ffff888009757908 RBP=ffff8880097578d8 RSP=ffff888009757838 R8 =0000000000000001 R9 =ffff888009757880 R10=000000000003c9ed R11=0000000000003ecc R12=ffff888009757908 R13=0000000000000000 R14=ffff8880096fb780 R15=ffff888008c4b780 RIP=ffffffff81618fa4 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f1dc55e7010 CR3=0000000015864000 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=71ad2f76a849398e354e0c31cfd1a91b XMM02=0000000000306ed0eff9b2d0a8fce9cb XMM03=0000000000306fa02c67c8bc2e329bc3 XMM04=92136d75e660044f00000000000ae988 XMM05=8d6669c3eadbf8950000000000323fd0 XMM06=a619ff6380376af50000000000323070 XMM07=e042d86d42eb936e00000000003144f0 XMM08=bdcc2caf83521b560000000000306fa0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000