syzkaller login: [ 38.916796] ------------[ cut here ]------------ [ 38.917728] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.919786] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.921249] Modules linked in: [ 38.921861] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.924184] Tainted: [W]=WARN [ 38.924736] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.926222] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.927156] 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 [ 38.930329] RSP: 0018:ffff88801ab8fbc0 EFLAGS: 00010286 [ 38.931313] RAX: 0000000000000000 RBX: ffffed1003571f78 RCX: ffffffff813a4050 [ 38.932584] RDX: ffff88801aaed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.933887] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003571f2f [ 38.935167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.936442] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ab8fdf8 [ 38.937729] FS: 00007f6296283900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.939173] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.940240] CR2: 00007f6296775580 CR3: 0000000009ef0000 CR4: 0000000000350ef0 [ 38.941530] Call Trace: [ 38.942025] [ 38.942436] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.943332] ? __create_object+0x59/0x80 [ 38.944121] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.945079] __vmalloc_noprof+0x59/0x60 [ 38.945780] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.946636] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.947576] bpf_prog_alloc+0x39/0x200 [ 38.948316] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.949232] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.950122] do_seccomp+0x349/0x25e0 [ 38.950803] ? __pfx_css_rstat_updated+0x10/0x10 [ 38.951686] ? __pfx_do_seccomp+0x10/0x10 [ 38.952465] ? find_held_lock+0x2b/0x80 [ 38.953227] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.954193] ? static_key_count+0x60/0x80 [ 38.955003] prctl_set_seccomp+0x4e/0x70 [ 38.955739] __do_sys_prctl+0xe6c/0x1d70 [ 38.956506] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.957370] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.958336] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.959321] ? irqentry_exit+0xf3/0x650 [ 38.960070] do_syscall_64+0xbf/0x430 [ 38.960773] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.961721] RIP: 0033:0x7f62967755cd [ 38.962413] 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 [ 38.965563] RSP: 002b:00007ffed08b7490 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.966930] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f62967755cd [ 38.968220] RDX: 0000564cbb748e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.969489] RBP: 00007ffed08b74f0 R08: 0000000000000000 R09: 00007ffed08b6b90 [ 38.970766] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564cc4553ad0 [ 38.972067] R13: 00007ffed08b7920 R14: 0000564cc4554bc0 R15: 0000564cc4565780 [ 38.973358] [ 38.973790] irq event stamp: 1801 [ 38.974441] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 38.975997] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 38.977514] softirqs last enabled at (1824): [] handle_softirqs+0x50c/0x770 [ 38.979047] softirqs last disabled at (1819): [] __irq_exit_rcu+0xc4/0x100 [ 38.980345] ---[ end trace 0000000000000000 ]--- [ 42.348534] ------------[ cut here ]------------ [ 42.349494] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.351552] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.353025] Modules linked in: [ 42.353618] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.357176] Tainted: [W]=WARN [ 42.357753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.359366] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.360312] 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 [ 42.363609] RSP: 0018:ffff88800cd9fbc0 EFLAGS: 00010286 [ 42.364637] RAX: 0000000000000000 RBX: ffffed10019b3f78 RCX: ffffffff813a4050 [ 42.365973] RDX: ffff888017991bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.367324] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10019b3f2f [ 42.368642] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.369990] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800cd9fdf8 [ 42.371358] FS: 00007fe4b58bc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.372897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.374024] CR2: 00007ffe90b22ef7 CR3: 000000000e0f6000 CR4: 0000000000350ef0 [ 42.375413] Call Trace: [ 42.375946] [ 42.376386] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.377344] ? __create_object+0x59/0x80 [ 42.378185] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.379218] __vmalloc_noprof+0x59/0x60 [ 42.380020] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.380939] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.381935] bpf_prog_alloc+0x39/0x200 [ 42.382674] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.383655] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.384634] do_seccomp+0x349/0x25e0 [ 42.385397] ? find_held_lock+0x2b/0x80 [ 42.386211] ? do_prlimit+0x310/0x610 [ 42.387025] ? __pfx_do_seccomp+0x10/0x10 [ 42.387810] ? do_raw_spin_unlock+0x53/0x220 [ 42.388705] ? _raw_spin_unlock+0x1e/0x40 [ 42.389524] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.390551] ? static_key_count+0x60/0x80 [ 42.391417] prctl_set_seccomp+0x4e/0x70 [ 42.392239] __do_sys_prctl+0xe6c/0x1d70 [ 42.393078] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.393999] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.395050] ? irqentry_exit+0xf3/0x650 [ 42.395830] do_syscall_64+0xbf/0x430 [ 42.396619] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.397639] RIP: 0033:0x7fe4b5dae5cd [ 42.398393] 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 [ 42.401811] RSP: 002b:00007ffe90b206e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.403285] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe4b5dae5cd [ 42.404654] RDX: 000055efa7247e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.406063] RBP: 00007ffe90b20740 R08: 0000000000000000 R09: 00007ffe90b1fde0 [ 42.407473] R10: 0000000000000000 R11: 0000000000000246 R12: 000055efc519fb10 [ 42.408890] R13: 00007ffe90b20b70 R14: 000055efc51a02b0 R15: 000055efc51b46f0 [ 42.410327] [ 42.410802] irq event stamp: 2061 [ 42.411528] hardirqs last enabled at (2071): [] __up_console_sem+0x78/0x80 [ 42.413187] hardirqs last disabled at (2080): [] __up_console_sem+0x5d/0x80 [ 42.414891] softirqs last enabled at (2018): [] handle_softirqs+0x50c/0x770 [ 42.416254] softirqs last disabled at (2009): [] __irq_exit_rcu+0xc4/0x100 [ 42.417220] ---[ end trace 0000000000000000 ]--- [ 43.272026] ------------[ cut here ]------------ [ 43.272757] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.274435] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.275689] Modules linked in: [ 43.276241] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.277895] Tainted: [W]=WARN [ 43.278359] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.279588] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.280564] 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 [ 43.283295] RSP: 0018:ffff88800f4afbc0 EFLAGS: 00010286 [ 43.284140] RAX: 0000000000000000 RBX: ffffed1001e95f78 RCX: ffffffff813a4050 [ 43.285218] RDX: ffff8880171ed340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.286282] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e95f2f [ 43.287368] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.288463] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f4afdf8 [ 43.289553] FS: 00007f8b190c5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.290770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.291668] CR2: 00007f8b195b7580 CR3: 000000000cf8a000 CR4: 0000000000350ef0 [ 43.292735] Call Trace: [ 43.293153] [ 43.293507] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.294257] ? __create_object+0x59/0x80 [ 43.294921] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.295680] __vmalloc_noprof+0x59/0x60 [ 43.296318] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.297055] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.297817] bpf_prog_alloc+0x39/0x200 [ 43.298439] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.299232] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.299990] do_seccomp+0x349/0x25e0 [ 43.300554] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.301306] ? __pfx_do_seccomp+0x10/0x10 [ 43.301967] ? find_held_lock+0x2b/0x80 [ 43.302576] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.303405] ? static_key_count+0x60/0x80 [ 43.304063] prctl_set_seccomp+0x4e/0x70 [ 43.304673] __do_sys_prctl+0xe6c/0x1d70 [ 43.305340] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.306079] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.306906] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.307685] ? irqentry_exit+0xf3/0x650 [ 43.308335] do_syscall_64+0xbf/0x430 [ 43.308958] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.309726] RIP: 0033:0x7f8b195b75cd [ 43.310321] 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 [ 43.313011] RSP: 002b:00007ffffb7aa2d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.314181] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8b195b75cd [ 43.315263] RDX: 0000561e6eabae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.316343] RBP: 00007ffffb7aa330 R08: 0000000000000000 R09: 00007ffffb7a99d0 [ 43.317442] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561e7b8daad0 [ 43.318510] R13: 00007ffffb7aa760 R14: 0000561e7b8dbbc0 R15: 0000561e7b8ec780 [ 43.319599] [ 43.320002] irq event stamp: 1775 [ 43.320517] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 43.321800] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 43.323101] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 43.324387] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 43.325671] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54516' (ECDSA) to the list of known hosts. 2025/11/17 15:35:58 fuzzer started 2025/11/17 15:35:59 dialing manager at localhost:37895 2025/11/17 15:35:59 checking machine... 2025/11/17 15:35:59 checking revisions... [ 44.240324] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:35:59 testing simple program... [ 44.335304] cgroup: Unknown subsys name 'net' [ 44.393777] cgroup: Unknown subsys name 'cpuset' [ 44.409414] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 15:35:58 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888018fefcd8 RCX=0000000000000001 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffffffff85e1ffe0 RSP=ffff88806ce089a8 R8 =0000000000000001 R9 =ffff88806ce08aa0 R10=000000000003c9ed R11=00000000000089a9 R12=ffffffff8135e7a2 R13=ffff88806ce08aa8 R14=ffff888017cc5340 R15=ffff88806ce08a60 RIP=ffffffff81528f2e 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 00007fe4b58bc900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055b05e97d000 CR3=0000000020135000 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=25252525252525252525252525252525 XMM01=ff0000000000ffff0000000000ff0000 XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000 XMM08=000a0d732a2e25006c61746166003367 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88806cf08ac8 RCX=ffff88806cf08954 RDX=0000000000000000 RSI=ffffffff812dfbe6 RDI=ffff88806cf08ad4 RBP=000000000000000d RSP=ffff88806cf089e0 R8 =0000000000000001 R9 =ffff88806cf08a40 R10=000000000003c9ed R11=0000000000006e05 R12=ffff88806cf08ac8 R13=0000000000000000 R14=ffff88800cc83780 R15=0000000000000000 RIP=ffffffff8161901e RFL=00000217 [----APC] 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 fffffe5800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7755126000 CR3=000000000d1f9000 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=2038353a35333a353120373120766f4e XMM01=6964206465766965636552203a5d3134 XMM02=6f63736964203a31313a323937383420 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732037353a35333a3531203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000