syzkaller login: [ 39.066701] ------------[ cut here ]------------ [ 39.067812] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.070432] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.072265] Modules linked in: [ 39.073048] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.075436] Tainted: [W]=WARN [ 39.076162] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.077931] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.079038] 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 [ 39.082837] RSP: 0018:ffff8880166ffbc0 EFLAGS: 00010286 [ 39.084006] RAX: 0000000000000000 RBX: ffffed1002cdff78 RCX: ffffffff813a4050 [ 39.085547] RDX: ffff88800ef81bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.087111] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cdff2f [ 39.088656] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.090182] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880166ffdf8 [ 39.091727] FS: 00007f946449b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.093448] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.094700] CR2: 00007ffc87591ef7 CR3: 000000000e5d7000 CR4: 0000000000350ef0 [ 39.096200] Call Trace: [ 39.096815] [ 39.097305] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.098355] ? __create_object+0x59/0x80 [ 39.099282] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.100426] __vmalloc_noprof+0x59/0x60 [ 39.101349] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.102397] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.103503] bpf_prog_alloc+0x39/0x200 [ 39.104383] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.105526] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.106631] do_seccomp+0x349/0x25e0 [ 39.107413] ? find_held_lock+0x2b/0x80 [ 39.108322] ? do_prlimit+0x310/0x610 [ 39.109213] ? __pfx_do_seccomp+0x10/0x10 [ 39.110149] ? do_raw_spin_unlock+0x53/0x220 [ 39.111144] ? _raw_spin_unlock+0x1e/0x40 [ 39.112068] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.113227] ? static_key_count+0x60/0x80 [ 39.114187] prctl_set_seccomp+0x4e/0x70 [ 39.115103] __do_sys_prctl+0xe6c/0x1d70 [ 39.116023] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.117055] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.118187] ? irqentry_exit+0xf3/0x650 [ 39.119079] do_syscall_64+0xbf/0x430 [ 39.119960] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.121061] RIP: 0033:0x7f946498d5cd [ 39.121893] 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 [ 39.125606] RSP: 002b:00007ffc8758f920 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.127195] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f946498d5cd [ 39.128700] RDX: 0000555da1be7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.130198] RBP: 00007ffc8758f980 R08: 0000000000000000 R09: 00007ffc8758f020 [ 39.131694] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555dbd7682b0 [ 39.133221] R13: 00007ffc8758fdb0 R14: 0000555dbd76ad20 R15: 0000555dbd77c8d0 [ 39.134542] [ 39.135017] irq event stamp: 1989 [ 39.135660] hardirqs last enabled at (1999): [] __up_console_sem+0x78/0x80 [ 39.137186] hardirqs last disabled at (2008): [] __up_console_sem+0x5d/0x80 [ 39.138678] softirqs last enabled at (1860): [] handle_softirqs+0x50c/0x770 [ 39.140197] softirqs last disabled at (1855): [] __irq_exit_rcu+0xc4/0x100 [ 39.141702] ---[ end trace 0000000000000000 ]--- [ 42.615102] ------------[ cut here ]------------ [ 42.616012] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.618013] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.619518] Modules linked in: [ 42.620145] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.622174] Tainted: [W]=WARN [ 42.622780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.624253] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.625192] 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 [ 42.628382] RSP: 0018:ffff88800df17bc0 EFLAGS: 00010286 [ 42.629374] RAX: 0000000000000000 RBX: ffffed1001be2f78 RCX: ffffffff813a4050 [ 42.630668] RDX: ffff88800a938000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.631953] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001be2f2f [ 42.633254] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.634535] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800df17df8 [ 42.635846] FS: 00007f9cf771d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.637304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.638375] CR2: 00007ffd51780ef7 CR3: 000000001fcbd000 CR4: 0000000000350ef0 [ 42.639671] Call Trace: [ 42.640148] [ 42.640613] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.641479] ? __create_object+0x59/0x80 [ 42.642265] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.643237] __vmalloc_noprof+0x59/0x60 [ 42.644005] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.644895] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.645841] bpf_prog_alloc+0x39/0x200 [ 42.646532] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.647469] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.648373] do_seccomp+0x349/0x25e0 [ 42.649093] ? find_held_lock+0x2b/0x80 [ 42.649855] ? do_prlimit+0x310/0x610 [ 42.650613] ? __pfx_do_seccomp+0x10/0x10 [ 42.651377] ? do_raw_spin_unlock+0x53/0x220 [ 42.652226] ? _raw_spin_unlock+0x1e/0x40 [ 42.653041] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.654013] ? static_key_count+0x60/0x80 [ 42.654824] prctl_set_seccomp+0x4e/0x70 [ 42.655609] __do_sys_prctl+0xe6c/0x1d70 [ 42.656363] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.657237] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.658208] ? irqentry_exit+0xf3/0x650 [ 42.658974] do_syscall_64+0xbf/0x430 [ 42.659728] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.660707] RIP: 0033:0x7f9cf7c0f5cd [ 42.661360] 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 [ 42.664538] RSP: 002b:00007ffd5177e290 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.665935] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9cf7c0f5cd [ 42.667265] RDX: 000056317e98ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.668594] RBP: 00007ffd5177e2f0 R08: 0000000000000000 R09: 00007ffd5177d990 [ 42.669906] R10: 0000000000000000 R11: 0000000000000246 R12: 00005631923daad0 [ 42.671207] R13: 00007ffd5177e720 R14: 00005631923dbbc0 R15: 00005631923ec780 [ 42.672531] [ 42.673015] irq event stamp: 1771 [ 42.673665] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.675217] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 42.676777] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 42.678331] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 42.679846] ---[ end trace 0000000000000000 ]--- [ 43.487299] ------------[ cut here ]------------ [ 43.488229] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.490248] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.491718] Modules linked in: [ 43.492316] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.494623] Tainted: [W]=WARN [ 43.495194] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.496754] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.497689] 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 [ 43.500915] RSP: 0018:ffff888009d5fbc0 EFLAGS: 00010286 [ 43.501906] RAX: 0000000000000000 RBX: ffffed10013abf78 RCX: ffffffff813a4050 [ 43.503200] RDX: ffff8880178f1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.504518] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013abf2f [ 43.505809] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.507127] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009d5fdf8 [ 43.508445] FS: 00007fc70ecaa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.509914] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.510968] CR2: 00007fffc2f1aef7 CR3: 000000000cf23000 CR4: 0000000000350ef0 [ 43.512262] Call Trace: [ 43.512786] [ 43.513206] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.514123] ? __create_object+0x59/0x80 [ 43.514922] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.515899] __vmalloc_noprof+0x59/0x60 [ 43.516680] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.517508] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.518454] bpf_prog_alloc+0x39/0x200 [ 43.519180] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.520137] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.521060] do_seccomp+0x349/0x25e0 [ 43.521798] ? find_held_lock+0x2b/0x80 [ 43.522516] ? do_prlimit+0x310/0x610 [ 43.523275] ? __pfx_do_seccomp+0x10/0x10 [ 43.524069] ? do_raw_spin_unlock+0x53/0x220 [ 43.524915] ? _raw_spin_unlock+0x1e/0x40 [ 43.525712] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.526678] ? static_key_count+0x60/0x80 [ 43.527434] prctl_set_seccomp+0x4e/0x70 [ 43.528209] __do_sys_prctl+0xe6c/0x1d70 [ 43.529006] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.529876] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.530865] ? irqentry_exit+0xf3/0x650 [ 43.531634] do_syscall_64+0xbf/0x430 [ 43.532326] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.533315] RIP: 0033:0x7fc70f19c5cd [ 43.534046] 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 [ 43.537268] RSP: 002b:00007fffc2f189f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.538660] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc70f19c5cd [ 43.539969] RDX: 000055dcef0c3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.541285] RBP: 00007fffc2f18a50 R08: 0000000000000000 R09: 00007fffc2f180f0 [ 43.542595] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dd0ba1e2b0 [ 43.543881] R13: 00007fffc2f18e80 R14: 000055dd0ba20d20 R15: 000055dd0ba328d0 [ 43.545211] [ 43.545672] irq event stamp: 1811 [ 43.546284] hardirqs last enabled at (1819): [] __up_console_sem+0x78/0x80 [ 43.547828] hardirqs last disabled at (1828): [] __up_console_sem+0x5d/0x80 [ 43.549384] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 43.550940] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 43.552474] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41820' (ECDSA) to the list of known hosts. 2025/11/18 17:31:09 fuzzer started 2025/11/18 17:31:09 dialing manager at localhost:34383 2025/11/18 17:31:09 checking machine... 2025/11/18 17:31:09 checking revisions... [ 44.467021] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:31:09 testing simple program... [ 44.555478] cgroup: Unknown subsys name 'net' [ 44.617627] cgroup: Unknown subsys name 'cpuset' [ 44.630986] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:31:08 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88801ac9fd28 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e7a2 RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08998 R8 =0000000000000001 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=00000000000abc09 R12=ffffffff8135e7a2 R13=ffff88806ce08a98 R14=ffff88801ac9fcf8 R15=ffff88806ce08a50 RIP=ffffffff81528efc 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 00007f9cf771d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f446dac5170 CR3=000000001fd40000 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 info registers vcpu 1 RAX=0000000000025c39 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000206 [-----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 fffffe6000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdcd3267d8 CR3=000000000da01000 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=2038303a31333a373120383120766f4e XMM01=657463656e6e6f63736944203a5d3234 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3234325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038303a31333a3731203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000