syzkaller login: [ 46.003662] ------------[ cut here ]------------ [ 46.004818] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.007182] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.008736] Modules linked in: [ 46.009698] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.011962] Tainted: [W]=WARN [ 46.012528] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.014021] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.014894] 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 [ 46.018180] RSP: 0018:ffff8880197d7bc0 EFLAGS: 00010286 [ 46.019168] RAX: 0000000000000000 RBX: ffffed10032faf78 RCX: ffffffff813a4050 [ 46.020462] RDX: ffff8880157e3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.021752] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10032faf2f [ 46.023047] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.024353] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880197d7df8 [ 46.025700] FS: 00007f9a4692f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.027194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.028277] CR2: 00007fff3b1fcef8 CR3: 000000001d4c8000 CR4: 0000000000350ef0 [ 46.029615] Call Trace: [ 46.030122] [ 46.030582] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.031545] ? __create_object+0x59/0x80 [ 46.032365] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.033387] __vmalloc_noprof+0x59/0x60 [ 46.034165] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.035106] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.036058] bpf_prog_alloc+0x39/0x200 [ 46.036764] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.037681] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.038573] do_seccomp+0x349/0x25e0 [ 46.039309] ? find_held_lock+0x2b/0x80 [ 46.040074] ? do_prlimit+0x310/0x610 [ 46.040787] ? __pfx_do_seccomp+0x10/0x10 [ 46.041571] ? do_raw_spin_unlock+0x53/0x220 [ 46.042404] ? _raw_spin_unlock+0x1e/0x40 [ 46.043196] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.044156] ? static_key_count+0x60/0x80 [ 46.044968] prctl_set_seccomp+0x4e/0x70 [ 46.045704] __do_sys_prctl+0xe6c/0x1d70 [ 46.046487] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.047362] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.048349] ? irqentry_exit+0xf3/0x650 [ 46.049112] do_syscall_64+0xbf/0x430 [ 46.049807] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.050754] RIP: 0033:0x7f9a46e215cd [ 46.051489] 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 [ 46.054647] RSP: 002b:00007fff3b1fbdb0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.056023] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9a46e215cd [ 46.057305] RDX: 0000556fa8bf2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.058585] RBP: 00007fff3b1fbe10 R08: 0000000000000000 R09: 00007fff3b1fb4b0 [ 46.060024] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556fdb3a2bf0 [ 46.061320] R13: 00007fff3b1fc240 R14: 0000556fdb3ac380 R15: 0000556fdb3b7460 [ 46.062622] [ 46.063134] irq event stamp: 3205 [ 46.063704] hardirqs last enabled at (3213): [] __up_console_sem+0x78/0x80 [ 46.065005] hardirqs last disabled at (3222): [] __up_console_sem+0x5d/0x80 [ 46.066277] softirqs last enabled at (3162): [] handle_softirqs+0x50c/0x770 [ 46.067593] softirqs last disabled at (3147): [] __irq_exit_rcu+0xc4/0x100 [ 46.068844] ---[ end trace 0000000000000000 ]--- [ 49.556226] ------------[ cut here ]------------ [ 49.557191] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.559349] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.560816] Modules linked in: [ 49.561501] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.563519] Tainted: [W]=WARN [ 49.564134] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.565638] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.566556] 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 [ 49.569759] RSP: 0018:ffff88800f74fbc0 EFLAGS: 00010286 [ 49.570744] RAX: 0000000000000000 RBX: ffffed1001ee9f78 RCX: ffffffff813a4050 [ 49.572057] RDX: ffff88801af40000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.573342] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ee9f2f [ 49.574627] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.575949] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f74fdf8 [ 49.577242] FS: 00007f59d40ea900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.578695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.579775] CR2: 00007ffce6cc9ef8 CR3: 000000000e6fd000 CR4: 0000000000350ef0 [ 49.581062] Call Trace: [ 49.581531] [ 49.581983] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.582841] ? __create_object+0x59/0x80 [ 49.583644] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.584636] __vmalloc_noprof+0x59/0x60 [ 49.585399] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.586273] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.587230] bpf_prog_alloc+0x39/0x200 [ 49.587973] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.588875] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.589778] do_seccomp+0x349/0x25e0 [ 49.590506] ? find_held_lock+0x2b/0x80 [ 49.591291] ? do_prlimit+0x310/0x610 [ 49.592044] ? __pfx_do_seccomp+0x10/0x10 [ 49.592794] ? do_raw_spin_unlock+0x53/0x220 [ 49.593644] ? _raw_spin_unlock+0x1e/0x40 [ 49.594440] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.595432] ? static_key_count+0x60/0x80 [ 49.596251] prctl_set_seccomp+0x4e/0x70 [ 49.597032] __do_sys_prctl+0xe6c/0x1d70 [ 49.597781] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.598634] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.599639] ? irqentry_exit+0xf3/0x650 [ 49.600425] do_syscall_64+0xbf/0x430 [ 49.601190] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.602159] RIP: 0033:0x7f59d45dc5cd [ 49.602817] 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 [ 49.606032] RSP: 002b:00007ffce6cc8df0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.607436] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f59d45dc5cd [ 49.608734] RDX: 000055b85b03ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.610033] RBP: 00007ffce6cc8e50 R08: 0000000000000000 R09: 00007ffce6cc84f0 [ 49.611330] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b8617a42b0 [ 49.612632] R13: 00007ffce6cc9280 R14: 000055b8617a6d20 R15: 000055b8617b88d0 [ 49.613972] [ 49.614396] irq event stamp: 1733 [ 49.615064] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 49.616607] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 49.618146] softirqs last enabled at (1722): [] handle_softirqs+0x50c/0x770 [ 49.619716] softirqs last disabled at (1717): [] __irq_exit_rcu+0xc4/0x100 [ 49.621250] ---[ end trace 0000000000000000 ]--- [ 50.461457] ------------[ cut here ]------------ [ 50.462387] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.464452] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.465945] Modules linked in: [ 50.466528] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.470089] Tainted: [W]=WARN [ 50.470642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.472412] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.473337] 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 [ 50.476502] RSP: 0018:ffff88801ac17bc0 EFLAGS: 00010286 [ 50.477494] RAX: 0000000000000000 RBX: ffffed1003582f78 RCX: ffffffff813a4050 [ 50.478774] RDX: ffff888015503780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.480072] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003582f2f [ 50.481354] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.482633] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ac17df8 [ 50.483947] FS: 00007f52211de900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.485380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.486453] CR2: 00007ffc08b82ef8 CR3: 000000000cf9a000 CR4: 0000000000350ef0 [ 50.487744] Call Trace: [ 50.488255] [ 50.488668] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.489555] ? __create_object+0x59/0x80 [ 50.490342] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.491318] __vmalloc_noprof+0x59/0x60 [ 50.492078] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.492896] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.493841] bpf_prog_alloc+0x39/0x200 [ 50.494586] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.495521] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.496430] do_seccomp+0x349/0x25e0 [ 50.497157] ? find_held_lock+0x2b/0x80 [ 50.497877] ? do_prlimit+0x310/0x610 [ 50.498643] ? __pfx_do_seccomp+0x10/0x10 [ 50.499464] ? do_raw_spin_unlock+0x53/0x220 [ 50.500299] ? _raw_spin_unlock+0x1e/0x40 [ 50.501096] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.502055] ? static_key_count+0x60/0x80 [ 50.502814] prctl_set_seccomp+0x4e/0x70 [ 50.503600] __do_sys_prctl+0xe6c/0x1d70 [ 50.504379] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.505227] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.506206] ? irqentry_exit+0xf3/0x650 [ 50.506978] do_syscall_64+0xbf/0x430 [ 50.507680] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.508621] RIP: 0033:0x7f52216d05cd [ 50.509330] 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 [ 50.512511] RSP: 002b:00007ffc08b812e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.513871] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52216d05cd [ 50.515173] RDX: 00005592bed72e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.516469] RBP: 00007ffc08b81340 R08: 0000000000000000 R09: 00007ffc08b809e0 [ 50.517749] R10: 0000000000000000 R11: 0000000000000246 R12: 00005592e27fead0 [ 50.519054] R13: 00007ffc08b81770 R14: 00005592e27ffbc0 R15: 00005592e2810780 [ 50.520347] [ 50.520766] irq event stamp: 2109 [ 50.521424] hardirqs last enabled at (2119): [] __up_console_sem+0x78/0x80 [ 50.522941] hardirqs last disabled at (2130): [] sysvec_apic_timer_interrupt+0xf/0x80 [ 50.524618] softirqs last enabled at (1906): [] handle_softirqs+0x50c/0x770 [ 50.526170] softirqs last disabled at (1901): [] __irq_exit_rcu+0xc4/0x100 [ 50.527682] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16750' (ECDSA) to the list of known hosts. 2025/11/18 06:59:21 fuzzer started 2025/11/18 06:59:22 dialing manager at localhost:37895 2025/11/18 06:59:22 checking machine... 2025/11/18 06:59:22 checking revisions... [ 51.411124] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:59:22 testing simple program... [ 51.504365] cgroup: Unknown subsys name 'net' [ 51.572105] cgroup: Unknown subsys name 'cpuset' [ 51.588554] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:59:21 Registers: info registers vcpu 0 RAX=000000000004282d RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----P-] 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe41c29878 CR3=000000000bcbc000 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=2031323a39353a363020383120766f4e XMM01=6964206465766965636552203a5d3134 XMM02=6f63736964203a31313a383739333420 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030323a39353a3630203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81b2a3f3 RBX=ffffffff81618fa0 RCX=ffff88806cf089c4 RDX=1ffff1100d9e1159 RSI=ffffffff81b2a3f3 RDI=ffff88806cf08b38 RBP=ffff88806cf08b08 RSP=ffff88806cf08a68 R8 =ffffffff86ab8c8e R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=0000000000025776 R12=ffff88806cf08b38 R13=0000000000000000 R14=ffff88800f609bc0 R15=ffff88800945d3c0 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 00007f59d40ea900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f59d469f650 CR3=00000000143b9000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000