syzkaller login: [ 46.301413] ------------[ cut here ]------------ [ 46.302149] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.303855] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 46.305061] Modules linked in: [ 46.305610] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.307269] Tainted: [W]=WARN [ 46.307763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.308989] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.309764] 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 [ 46.312386] RSP: 0018:ffff888018fc7bc0 EFLAGS: 00010286 [ 46.313166] RAX: 0000000000000000 RBX: ffffed10031f8f78 RCX: ffffffff813a4050 [ 46.314245] RDX: ffff888018f0d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.315313] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031f8f2f [ 46.316396] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.317460] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018fc7df8 [ 46.318537] FS: 00007fc8f20a9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.319738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.320619] CR2: 00007ffdee5b7ef7 CR3: 000000000e4ad000 CR4: 0000000000350ef0 [ 46.321703] Call Trace: [ 46.322089] [ 46.322464] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.323181] ? __create_object+0x59/0x80 [ 46.323831] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.324624] __vmalloc_noprof+0x59/0x60 [ 46.325221] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.325954] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.326726] bpf_prog_alloc+0x39/0x200 [ 46.327302] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.328063] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.328813] do_seccomp+0x349/0x25e0 [ 46.329410] ? find_held_lock+0x2b/0x80 [ 46.330013] ? do_prlimit+0x310/0x610 [ 46.330637] ? __pfx_do_seccomp+0x10/0x10 [ 46.331251] ? do_raw_spin_unlock+0x53/0x220 [ 46.331945] ? _raw_spin_unlock+0x1e/0x40 [ 46.332584] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.333347] ? static_key_count+0x60/0x80 [ 46.334030] prctl_set_seccomp+0x4e/0x70 [ 46.334674] __do_sys_prctl+0xe6c/0x1d70 [ 46.335287] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.336002] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.336805] ? irqentry_exit+0xf3/0x650 [ 46.337441] do_syscall_64+0xbf/0x430 [ 46.338026] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.338813] RIP: 0033:0x7fc8f259b5cd [ 46.339358] 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 [ 46.341998] RSP: 002b:00007ffdee5b6960 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.343136] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc8f259b5cd [ 46.344192] RDX: 0000560427531e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.345252] RBP: 00007ffdee5b69c0 R08: 0000000000000000 R09: 00007ffdee5b6060 [ 46.346326] R10: 0000000000000000 R11: 0000000000000246 R12: 000056043ef352b0 [ 46.347398] R13: 00007ffdee5b6df0 R14: 000056043ef37d20 R15: 000056043ef498d0 [ 46.348474] [ 46.348825] irq event stamp: 1689 [ 46.349322] hardirqs last enabled at (1697): [] __up_console_sem+0x78/0x80 [ 46.350591] hardirqs last disabled at (1706): [] __up_console_sem+0x5d/0x80 [ 46.351841] softirqs last enabled at (1180): [] handle_softirqs+0x50c/0x770 [ 46.353137] softirqs last disabled at (1159): [] __irq_exit_rcu+0xc4/0x100 [ 46.354405] ---[ end trace 0000000000000000 ]--- [ 49.389335] ------------[ cut here ]------------ [ 49.389828] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.390833] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.391554] Modules linked in: [ 49.391848] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.392822] Tainted: [W]=WARN [ 49.393097] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.393855] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.394295] 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 [ 49.395869] RSP: 0018:ffff888016c1fbc0 EFLAGS: 00010286 [ 49.396330] RAX: 0000000000000000 RBX: ffffed1002d83f78 RCX: ffffffff813a4050 [ 49.396969] RDX: ffff88801745b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.397608] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d83f2f [ 49.398220] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.398854] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c1fdf8 [ 49.399495] FS: 00007f64191af900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.400189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.400716] CR2: 00007fff90affef7 CR3: 000000000fcaa000 CR4: 0000000000350ef0 [ 49.401329] Call Trace: [ 49.401591] [ 49.401790] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.402195] ? __create_object+0x59/0x80 [ 49.402558] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.403020] __vmalloc_noprof+0x59/0x60 [ 49.403389] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.403793] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.404217] bpf_prog_alloc+0x39/0x200 [ 49.404578] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.405006] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.405457] do_seccomp+0x349/0x25e0 [ 49.405791] ? find_held_lock+0x2b/0x80 [ 49.406145] ? do_prlimit+0x310/0x610 [ 49.406514] ? __pfx_do_seccomp+0x10/0x10 [ 49.406880] ? do_raw_spin_unlock+0x53/0x220 [ 49.407271] ? _raw_spin_unlock+0x1e/0x40 [ 49.407651] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.408095] ? static_key_count+0x60/0x80 [ 49.408491] prctl_set_seccomp+0x4e/0x70 [ 49.408855] __do_sys_prctl+0xe6c/0x1d70 [ 49.409217] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.409654] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.410107] ? irqentry_exit+0xf3/0x650 [ 49.410486] do_syscall_64+0xbf/0x430 [ 49.410827] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.411273] RIP: 0033:0x7f64196a15cd [ 49.411616] 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 [ 49.413206] RSP: 002b:00007fff90afd660 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.413889] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64196a15cd [ 49.414522] RDX: 0000557521298e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.415132] RBP: 00007fff90afd6c0 R08: 0000000000000000 R09: 00007fff90afcd60 [ 49.415764] R10: 0000000000000000 R11: 0000000000000246 R12: 000055755237d2b0 [ 49.416384] R13: 00007fff90afdaf0 R14: 000055755237fd20 R15: 00005575523918d0 [ 49.417001] [ 49.417202] irq event stamp: 1713 [ 49.417537] hardirqs last enabled at (1723): [] __up_console_sem+0x78/0x80 [ 49.418261] hardirqs last disabled at (1730): [] __up_console_sem+0x5d/0x80 [ 49.419010] softirqs last enabled at (1268): [] handle_softirqs+0x50c/0x770 [ 49.419802] softirqs last disabled at (1259): [] __irq_exit_rcu+0xc4/0x100 [ 49.420569] ---[ end trace 0000000000000000 ]--- [ 50.102349] ------------[ cut here ]------------ [ 50.103283] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.105317] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 50.106823] Modules linked in: [ 50.107460] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.109441] Tainted: [W]=WARN [ 50.110022] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.111492] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.112416] 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 [ 50.115598] RSP: 0018:ffff888015f47bc0 EFLAGS: 00010286 [ 50.116585] RAX: 0000000000000000 RBX: ffffed1002be8f78 RCX: ffffffff813a4050 [ 50.117873] RDX: ffff888015891bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.119131] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002be8f2f [ 50.120406] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.121692] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015f47df8 [ 50.122981] FS: 00007f1f47ae2900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.124416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.125493] CR2: 00007f1f47fd4580 CR3: 000000001eefe000 CR4: 0000000000350ef0 [ 50.126801] Call Trace: [ 50.127283] [ 50.127730] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.128633] ? __create_object+0x59/0x80 [ 50.129431] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.130522] __vmalloc_noprof+0x59/0x60 [ 50.131239] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.132109] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.133052] bpf_prog_alloc+0x39/0x200 [ 50.133807] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.134756] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.135709] do_seccomp+0x349/0x25e0 [ 50.136432] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.137290] ? __pfx_do_seccomp+0x10/0x10 [ 50.138100] ? find_held_lock+0x2b/0x80 [ 50.138873] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.139846] ? static_key_count+0x60/0x80 [ 50.140656] prctl_set_seccomp+0x4e/0x70 [ 50.141435] __do_sys_prctl+0xe6c/0x1d70 [ 50.142186] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.143051] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.144032] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.145018] ? irqentry_exit+0xf3/0x650 [ 50.145802] do_syscall_64+0xbf/0x430 [ 50.146546] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.147523] RIP: 0033:0x7f1f47fd45cd [ 50.148182] 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 [ 50.151388] RSP: 002b:00007ffd60b67380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.152752] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1f47fd45cd [ 50.154072] RDX: 000055af001ebe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.155386] RBP: 00007ffd60b673e0 R08: 0000000000000000 R09: 00007ffd60b66a80 [ 50.156676] R10: 0000000000000000 R11: 0000000000000246 R12: 000055af231ae2b0 [ 50.158009] R13: 00007ffd60b67810 R14: 000055af231b0d20 R15: 000055af231c28d0 [ 50.159330] [ 50.159802] irq event stamp: 1709 [ 50.160453] hardirqs last enabled at (1719): [] __up_console_sem+0x78/0x80 [ 50.162015] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 50.163583] softirqs last enabled at (1752): [] handle_softirqs+0x50c/0x770 [ 50.165139] softirqs last disabled at (1737): [] __irq_exit_rcu+0xc4/0x100 [ 50.166549] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:41161' (ECDSA) to the list of known hosts. 2025/11/18 01:28:31 fuzzer started 2025/11/18 01:28:31 dialing manager at localhost:37895 2025/11/18 01:28:31 checking machine... 2025/11/18 01:28:31 checking revisions... [ 51.078591] kmemleak: Automatic memory scanning thread ended 2025/11/18 01:28:31 testing simple program... [ 51.160612] cgroup: Unknown subsys name 'net' [ 51.219250] cgroup: Unknown subsys name 'cpuset' [ 51.232900] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 01:28:30 Registers: info registers vcpu 0 RAX=0000000000000005 RBX=0000000000000200 RCX=ffffffff87cecb40 RDX=0000000000000008 RSI=ffffffff85c2d480 RDI=ffffffff85c2ca00 RBP=ffffffff85c2ca00 RSP=ffff88806ce08828 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=0000000000000009 R13=0000000000000001 R14=ffffffff85c2d480 R15=0000000000000003 RIP=ffffffff81526594 RFL=00000007 [-----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb6b0226020 CR3=000000000d034000 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=a3505c47bc9d13bd64433ceac50d1199 XMM02=2c67c8bc2e329bc30000000000306a28 XMM03=fb795ef6d65770560000000000311de0 XMM04=0f018cd581aa936000000000000ae988 XMM05=07c8bb74b6c04a440000000000321c60 XMM06=d74844bf967d85ba0000000000321ae8 XMM07=e042d86d42eb936e0000000000312060 XMM08=91c5198eff82e9660000000000306a88 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff888015e63780 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff888013de7150 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000a24d0 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff81529352 RFL=00000006 [-----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 00007f64191af900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff90af7000 CR3=000000001f4ba000 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