syzkaller login: [ 45.730101] ------------[ cut here ]------------ [ 45.731091] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.733182] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 45.734709] Modules linked in: [ 45.735300] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.737651] Tainted: [W]=WARN [ 45.738229] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.739851] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.740813] 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 [ 45.744093] RSP: 0018:ffff88800fa0fbc0 EFLAGS: 00010286 [ 45.745128] RAX: 0000000000000000 RBX: ffffed1001f41f78 RCX: ffffffff813a4050 [ 45.746439] RDX: ffff888015cd0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.747804] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001f41f2f [ 45.749151] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.750461] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800fa0fdf8 [ 45.752075] FS: 00007f24062b0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.753844] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.754991] CR2: 00007ffcbdc47ef7 CR3: 000000000ed5d000 CR4: 0000000000350ef0 [ 45.756307] Call Trace: [ 45.756838] [ 45.757261] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.758215] ? __create_object+0x59/0x80 [ 45.759058] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.760089] __vmalloc_noprof+0x59/0x60 [ 45.760877] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.761802] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.762789] bpf_prog_alloc+0x39/0x200 [ 45.763557] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.764470] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.765411] do_seccomp+0x349/0x25e0 [ 45.766166] ? find_held_lock+0x2b/0x80 [ 45.766991] ? do_prlimit+0x310/0x610 [ 45.767761] ? __pfx_do_seccomp+0x10/0x10 [ 45.768582] ? do_raw_spin_unlock+0x53/0x220 [ 45.769365] ? _raw_spin_unlock+0x1e/0x40 [ 45.770178] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.771194] ? static_key_count+0x60/0x80 [ 45.772053] prctl_set_seccomp+0x4e/0x70 [ 45.772845] __do_sys_prctl+0xe6c/0x1d70 [ 45.773677] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.774564] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.775639] ? irqentry_exit+0xf3/0x650 [ 45.776370] do_syscall_64+0xbf/0x430 [ 45.777145] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.778153] RIP: 0033:0x7f24067a25cd [ 45.778905] 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 [ 45.782203] RSP: 002b:00007ffcbdc46dc0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.783629] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f24067a25cd [ 45.784946] RDX: 00005609357b0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.786272] RBP: 00007ffcbdc46e20 R08: 0000000000000000 R09: 00007ffcbdc464c0 [ 45.787629] R10: 0000000000000000 R11: 0000000000000246 R12: 00005609476c1b10 [ 45.788946] R13: 00007ffcbdc47250 R14: 00005609476c22b0 R15: 00005609476d66f0 [ 45.790290] [ 45.790809] irq event stamp: 1797 [ 45.791427] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 45.793015] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 45.794618] softirqs last enabled at (1698): [] handle_softirqs+0x50c/0x770 [ 45.796099] softirqs last disabled at (1693): [] __irq_exit_rcu+0xc4/0x100 [ 45.797387] ---[ end trace 0000000000000000 ]--- [ 49.329714] ------------[ cut here ]------------ [ 49.330664] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.332669] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.334211] Modules linked in: [ 49.334866] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.336864] Tainted: [W]=WARN [ 49.337429] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.338919] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.339850] 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 [ 49.343082] RSP: 0018:ffff88800d587bc0 EFLAGS: 00010286 [ 49.344067] RAX: 0000000000000000 RBX: ffffed1001ab0f78 RCX: ffffffff813a4050 [ 49.345364] RDX: ffff888015c4d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.346667] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ab0f2f [ 49.347971] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.349255] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d587df8 [ 49.350544] FS: 00007fe8b606a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.352022] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.353089] CR2: 00007ffd05ce3ef7 CR3: 000000000ce66000 CR4: 0000000000350ef0 [ 49.354416] Call Trace: [ 49.354937] [ 49.355363] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.356274] ? __create_object+0x59/0x80 [ 49.357069] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.358051] __vmalloc_noprof+0x59/0x60 [ 49.358826] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.359710] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.360644] bpf_prog_alloc+0x39/0x200 [ 49.361342] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.362282] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.363207] do_seccomp+0x349/0x25e0 [ 49.363924] ? find_held_lock+0x2b/0x80 [ 49.364699] ? do_prlimit+0x310/0x610 [ 49.365403] ? __pfx_do_seccomp+0x10/0x10 [ 49.366193] ? do_raw_spin_unlock+0x53/0x220 [ 49.367036] ? _raw_spin_unlock+0x1e/0x40 [ 49.367834] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.368807] ? static_key_count+0x60/0x80 [ 49.369624] prctl_set_seccomp+0x4e/0x70 [ 49.370359] __do_sys_prctl+0xe6c/0x1d70 [ 49.371152] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.372030] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.373020] ? irqentry_exit+0xf3/0x650 [ 49.373808] do_syscall_64+0xbf/0x430 [ 49.374549] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.375475] RIP: 0033:0x7fe8b655c5cd [ 49.376194] 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 [ 49.379398] RSP: 002b:00007ffd05ce1d60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.380764] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe8b655c5cd [ 49.382047] RDX: 0000563c4d533e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.383369] RBP: 00007ffd05ce1dc0 R08: 0000000000000000 R09: 00007ffd05ce1460 [ 49.384671] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563c5d27abf0 [ 49.385962] R13: 00007ffd05ce21f0 R14: 0000563c5d284380 R15: 0000563c5d28f460 [ 49.387293] [ 49.387694] irq event stamp: 3197 [ 49.388206] hardirqs last enabled at (3205): [] __up_console_sem+0x78/0x80 [ 49.389474] hardirqs last disabled at (3214): [] __up_console_sem+0x5d/0x80 [ 49.390763] softirqs last enabled at (3154): [] handle_softirqs+0x50c/0x770 [ 49.392041] softirqs last disabled at (3149): [] __irq_exit_rcu+0xc4/0x100 [ 49.393311] ---[ end trace 0000000000000000 ]--- [ 50.197136] ------------[ cut here ]------------ [ 50.197900] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.199648] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.200829] Modules linked in: [ 50.201310] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.202942] Tainted: [W]=WARN [ 50.203395] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.204587] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.205297] 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 [ 50.207875] RSP: 0018:ffff888018787bc0 EFLAGS: 00010286 [ 50.208676] RAX: 0000000000000000 RBX: ffffed10030f0f78 RCX: ffffffff813a4050 [ 50.209723] RDX: ffff8880185c0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.210774] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030f0f2f [ 50.211816] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.212856] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018787df8 [ 50.213903] FS: 00007f1561b0c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.215091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.215951] CR2: 00007ffd0927aef7 CR3: 000000000b753000 CR4: 0000000000350ef0 [ 50.217000] Call Trace: [ 50.217379] [ 50.217752] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.218447] ? __create_object+0x59/0x80 [ 50.219089] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.219870] __vmalloc_noprof+0x59/0x60 [ 50.220451] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.221160] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.221912] bpf_prog_alloc+0x39/0x200 [ 50.222476] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.223237] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.223972] do_seccomp+0x349/0x25e0 [ 50.224547] ? find_held_lock+0x2b/0x80 [ 50.225130] ? do_prlimit+0x310/0x610 [ 50.225733] ? __pfx_do_seccomp+0x10/0x10 [ 50.226338] ? do_raw_spin_unlock+0x53/0x220 [ 50.227016] ? _raw_spin_unlock+0x1e/0x40 [ 50.227646] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.228393] ? static_key_count+0x60/0x80 [ 50.229042] prctl_set_seccomp+0x4e/0x70 [ 50.229664] __do_sys_prctl+0xe6c/0x1d70 [ 50.230265] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.230973] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.231761] ? irqentry_exit+0xf3/0x650 [ 50.232347] do_syscall_64+0xbf/0x430 [ 50.232942] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.233702] RIP: 0033:0x7f1561ffe5cd [ 50.234242] 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 [ 50.236828] RSP: 002b:00007ffd09279a60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.237939] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1561ffe5cd [ 50.238984] RDX: 000055966048be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.240022] RBP: 00007ffd09279ac0 R08: 0000000000000000 R09: 00007ffd09279160 [ 50.241067] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559671be7ad0 [ 50.242110] R13: 00007ffd09279ef0 R14: 0000559671be8bc0 R15: 0000559671bf9780 [ 50.243175] [ 50.243544] irq event stamp: 1707 [ 50.244037] hardirqs last enabled at (1715): [] __up_console_sem+0x78/0x80 [ 50.245268] hardirqs last disabled at (1724): [] __up_console_sem+0x5d/0x80 [ 50.246520] softirqs last enabled at (1236): [] handle_softirqs+0x50c/0x770 [ 50.247778] softirqs last disabled at (1231): [] __irq_exit_rcu+0xc4/0x100 [ 50.249012] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:33386' (ECDSA) to the list of known hosts. 2025/11/18 22:17:00 fuzzer started 2025/11/18 22:17:00 dialing manager at localhost:34383 2025/11/18 22:17:00 checking machine... 2025/11/18 22:17:00 checking revisions... [ 51.058480] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:17:00 testing simple program... [ 51.143931] cgroup: Unknown subsys name 'net' [ 51.194664] cgroup: Unknown subsys name 'cpuset' [ 51.212856] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:16:59 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce08b38 RCX=ffff88806ce089c4 RDX=1ffff1100d9c1168 RSI=ffffffff81ab1783 RDI=ffff88806ce08b40 RBP=0000000000000012 RSP=ffff88806ce08a50 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000255fd R12=ffff88806ce08b38 R13=0000000000000000 R14=ffff888015431bc0 R15=ffff88800945d3c0 RIP=ffffffff8161917e RFL=00000212 [----A--] 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 00007f5a81a9c700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f85c1fcd020 CR3=000000000d00e000 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=656e6e6f637369642064657669656365 XMM02=63736964203a31313a34363733332074 XMM03=66207463656e6e6f6373696420646576 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343637 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff81ecf1b1 RDX=ffff888018658000 RSI=ffff88801b93c550 RDI=ffff88801bb66c08 RBP=ffff88800f828380 RSP=ffff888016d1f8f8 R8 =0000000000000000 R9 =ffffed1001f05070 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffff88800f828000 R14=ffff888016d1fa30 R15=ffff88801b93c550 RIP=ffffffff81fedde6 RFL=00000293 [--S-A-C] 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 00007f5a8169b700 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=00007fe8b6621618 CR3=000000000d00e000 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=2039353a36313a323220383120766f4e XMM01=657463656e6e6f63736944203a5d3933 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3933325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039353a36313a3232203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000