syzkaller login: [ 45.925468] ------------[ cut here ]------------ [ 45.926419] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.928469] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 45.930163] Modules linked in: [ 45.931254] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.933246] Tainted: [W]=WARN [ 45.933874] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.935346] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.936210] 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 [ 45.939385] RSP: 0018:ffff888019807bc0 EFLAGS: 00010286 [ 45.940365] RAX: 0000000000000000 RBX: ffffed1003300f78 RCX: ffffffff813a4050 [ 45.941652] RDX: ffff888013ee0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.942985] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003300f2f [ 45.944272] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.945584] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019807df8 [ 45.946915] FS: 00007f861a5b6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.948364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.949430] CR2: 00007f861aaa8580 CR3: 000000001b76e000 CR4: 0000000000350ef0 [ 45.950758] Call Trace: [ 45.951221] [ 45.951678] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.952578] ? __create_object+0x59/0x80 [ 45.953360] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.954368] __vmalloc_noprof+0x59/0x60 [ 45.955082] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.955967] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.956891] bpf_prog_alloc+0x39/0x200 [ 45.957625] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.958611] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.959519] do_seccomp+0x349/0x25e0 [ 45.960192] ? finish_task_switch.isra.0+0x294/0x840 [ 45.961138] ? __pfx_do_seccomp+0x10/0x10 [ 45.961958] ? __schedule+0xf2c/0x3d40 [ 45.962695] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.963658] ? static_key_count+0x60/0x80 [ 45.964461] prctl_set_seccomp+0x4e/0x70 [ 45.965191] __do_sys_prctl+0xe6c/0x1d70 [ 45.966015] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.966882] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.967852] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.968815] ? irqentry_exit+0xf3/0x650 [ 45.969580] do_syscall_64+0xbf/0x430 [ 45.970366] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.971276] RIP: 0033:0x7f861aaa85cd [ 45.971992] 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 [ 45.975191] RSP: 002b:00007ffeec5f58e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.976545] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f861aaa85cd [ 45.977863] RDX: 000055d1c51e3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.979137] RBP: 00007ffeec5f5940 R08: 0000000000000000 R09: 00007ffeec5f4fe0 [ 45.980416] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d203a2cad0 [ 45.981706] R13: 00007ffeec5f5d70 R14: 000055d203a2dbc0 R15: 000055d203a3e780 [ 45.983023] [ 45.983491] irq event stamp: 1869 [ 45.984095] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 45.985610] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 45.987158] softirqs last enabled at (1866): [] handle_softirqs+0x50c/0x770 [ 45.988701] softirqs last disabled at (1861): [] __irq_exit_rcu+0xc4/0x100 [ 45.990252] ---[ end trace 0000000000000000 ]--- [ 49.130370] ------------[ cut here ]------------ [ 49.131162] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.132994] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.134333] Modules linked in: [ 49.134866] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.136643] Tainted: [W]=WARN [ 49.137142] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.138487] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.139275] 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 [ 49.142179] RSP: 0018:ffff88800b2d7bc0 EFLAGS: 00010286 [ 49.143056] RAX: 0000000000000000 RBX: ffffed100165af78 RCX: ffffffff813a4050 [ 49.144212] RDX: ffff88801973d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.145365] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100165af2f [ 49.146538] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.147681] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800b2d7df8 [ 49.148838] FS: 00007f51ba67c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.150151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.151115] CR2: 00007ffd85a77ef7 CR3: 000000001b726000 CR4: 0000000000350ef0 [ 49.152277] Call Trace: [ 49.152727] [ 49.153102] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.153926] ? __create_object+0x59/0x80 [ 49.154643] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.155522] __vmalloc_noprof+0x59/0x60 [ 49.156165] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.156961] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.157807] bpf_prog_alloc+0x39/0x200 [ 49.158473] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.159274] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.160098] do_seccomp+0x349/0x25e0 [ 49.160748] ? find_held_lock+0x2b/0x80 [ 49.161432] ? do_prlimit+0x310/0x610 [ 49.162064] ? __pfx_do_seccomp+0x10/0x10 [ 49.162772] ? do_raw_spin_unlock+0x53/0x220 [ 49.163517] ? _raw_spin_unlock+0x1e/0x40 [ 49.164188] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.165060] ? static_key_count+0x60/0x80 [ 49.165792] prctl_set_seccomp+0x4e/0x70 [ 49.166497] __do_sys_prctl+0xe6c/0x1d70 [ 49.167162] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.167925] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.168798] ? irqentry_exit+0xf3/0x650 [ 49.169483] do_syscall_64+0xbf/0x430 [ 49.170121] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.170975] RIP: 0033:0x7f51bab6e5cd [ 49.171608] 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 [ 49.174479] RSP: 002b:00007ffd85a76430 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.175701] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f51bab6e5cd [ 49.176863] RDX: 000056174b58de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.178038] RBP: 00007ffd85a76490 R08: 0000000000000000 R09: 00007ffd85a75b30 [ 49.179196] R10: 0000000000000000 R11: 0000000000000246 R12: 000056177d693bf0 [ 49.180346] R13: 00007ffd85a768c0 R14: 000056177d69d380 R15: 000056177d6a8460 [ 49.181528] [ 49.181931] irq event stamp: 1761 [ 49.182513] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 49.183890] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 49.185256] softirqs last enabled at (1684): [] handle_softirqs+0x50c/0x770 [ 49.186666] softirqs last disabled at (1679): [] __irq_exit_rcu+0xc4/0x100 [ 49.188033] ---[ end trace 0000000000000000 ]--- [ 50.018897] ------------[ cut here ]------------ [ 50.019846] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.021890] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.023369] Modules linked in: [ 50.023962] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.025994] Tainted: [W]=WARN [ 50.026584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.028083] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.029020] 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 [ 50.032204] RSP: 0018:ffff88801774fbc0 EFLAGS: 00010286 [ 50.033196] RAX: 0000000000000000 RBX: ffffed1002ee9f78 RCX: ffffffff813a4050 [ 50.034501] RDX: ffff888019f68000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.035787] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ee9f2f [ 50.037077] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.038373] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801774fdf8 [ 50.039664] FS: 00007efc7325b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.041112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.042192] CR2: 00007ffcf839bef7 CR3: 000000000c6b1000 CR4: 0000000000350ef0 [ 50.043487] Call Trace: [ 50.043953] [ 50.044413] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.045277] ? __create_object+0x59/0x80 [ 50.046079] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.047054] __vmalloc_noprof+0x59/0x60 [ 50.047816] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.048696] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.049638] bpf_prog_alloc+0x39/0x200 [ 50.050386] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.051265] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.052169] do_seccomp+0x349/0x25e0 [ 50.052894] ? find_held_lock+0x2b/0x80 [ 50.053648] ? do_prlimit+0x310/0x610 [ 50.054403] ? __pfx_do_seccomp+0x10/0x10 [ 50.055143] ? do_raw_spin_unlock+0x53/0x220 [ 50.055976] ? _raw_spin_unlock+0x1e/0x40 [ 50.056778] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.057752] ? static_key_count+0x60/0x80 [ 50.058553] prctl_set_seccomp+0x4e/0x70 [ 50.059278] __do_sys_prctl+0xe6c/0x1d70 [ 50.060068] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.060919] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.061899] ? irqentry_exit+0xf3/0x650 [ 50.062666] do_syscall_64+0xbf/0x430 [ 50.063404] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.064360] RIP: 0033:0x7efc7374d5cd [ 50.065023] 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 [ 50.068187] RSP: 002b:00007ffcf83993e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.069550] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007efc7374d5cd [ 50.070869] RDX: 000055d4e7aabe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.072141] RBP: 00007ffcf8399440 R08: 0000000000000000 R09: 00007ffcf8398ae0 [ 50.073429] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d50e4c2b10 [ 50.074598] R13: 00007ffcf8399870 R14: 000055d50e4c32b0 R15: 000055d50e4d76f0 [ 50.075697] [ 50.076055] irq event stamp: 1755 [ 50.076613] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 50.077906] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 50.079212] softirqs last enabled at (1572): [] handle_softirqs+0x50c/0x770 [ 50.080501] softirqs last disabled at (1567): [] __irq_exit_rcu+0xc4/0x100 [ 50.081780] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:2105' (ECDSA) to the list of known hosts. 2025/11/17 14:34:20 fuzzer started 2025/11/17 14:34:20 dialing manager at localhost:37895 2025/11/17 14:34:20 checking machine... 2025/11/17 14:34:20 checking revisions... [ 51.019722] kmemleak: Automatic memory scanning thread ended 2025/11/17 14:34:20 testing simple program... [ 51.118090] cgroup: Unknown subsys name 'net' [ 51.173777] cgroup: Unknown subsys name 'cpuset' [ 51.186296] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 14:34:19 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=00007ffd85a73348 RCX=ffffffff83c62138 RDX=ffff888019738000 RSI=ffffffff83c62145 RDI=0000000000000005 RBP=000000000000000c RSP=ffff888015ae7b10 R8 =0000000000000001 R9 =0000000000000001 R10=000000000000000c R11=0000000000000001 R12=000000000000000c R13=0000000000000000 R14=ffff888015ae7bc0 R15=0000000000000000 RIP=ffffffff81751c78 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 00007f51ba67c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd85a70000 CR3=000000000cea2000 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=563412feff00545000000000000080fe 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=000000000002c621 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffb044d578 CR3=000000000ecb6000 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=34333a343120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383434 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000