syzkaller login: [ 46.344220] ------------[ cut here ]------------ [ 46.344995] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.346689] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.347897] Modules linked in: [ 46.348383] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.350030] Tainted: [W]=WARN [ 46.350487] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.351703] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.352413] 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 [ 46.355031] RSP: 0018:ffff88801898fbc0 EFLAGS: 00010286 [ 46.355847] RAX: 0000000000000000 RBX: ffffed1003131f78 RCX: ffffffff813a4050 [ 46.356912] RDX: ffff888013dbd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.357992] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003131f2f [ 46.359065] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.360138] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801898fdf8 [ 46.361208] FS: 00007fa9629cd900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.362393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.363272] CR2: 00007fa962f334a6 CR3: 000000000c4f0000 CR4: 0000000000350ef0 [ 46.364336] Call Trace: [ 46.364748] [ 46.365099] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.365828] ? __create_object+0x59/0x80 [ 46.366440] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.367242] __vmalloc_noprof+0x59/0x60 [ 46.367877] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.368564] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.369352] bpf_prog_alloc+0x39/0x200 [ 46.369967] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.370741] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.371457] do_seccomp+0x349/0x25e0 [ 46.372047] ? find_held_lock+0x2b/0x80 [ 46.372666] ? do_prlimit+0x310/0x610 [ 46.373255] ? __pfx_do_seccomp+0x10/0x10 [ 46.373914] ? do_raw_spin_unlock+0x53/0x220 [ 46.374573] ? _raw_spin_unlock+0x1e/0x40 [ 46.375220] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.376019] ? static_key_count+0x60/0x80 [ 46.376697] prctl_set_seccomp+0x4e/0x70 [ 46.377317] __do_sys_prctl+0xe6c/0x1d70 [ 46.377983] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.378694] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.379461] ? irqentry_exit+0xf3/0x650 [ 46.380091] do_syscall_64+0xbf/0x430 [ 46.380706] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.381466] RIP: 0033:0x7fa962ebf5cd [ 46.382051] 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 [ 46.384670] RSP: 002b:00007ffc27075250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.385821] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa962ebf5cd [ 46.386889] RDX: 000055f7ec3a3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.387958] RBP: 00007ffc270752b0 R08: 0000000000000000 R09: 00007ffc27074950 [ 46.389041] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f81fdb1ad0 [ 46.390133] R13: 00007ffc270756e0 R14: 000055f81fdb2bc0 R15: 000055f81fdc3780 [ 46.391214] [ 46.391567] irq event stamp: 1703 [ 46.392101] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 46.393366] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 46.394679] softirqs last enabled at (1194): [] handle_softirqs+0x50c/0x770 [ 46.395951] softirqs last disabled at (1735): [] __irq_exit_rcu+0xc4/0x100 [ 46.397232] ---[ end trace 0000000000000000 ]--- [ 49.828855] ------------[ cut here ]------------ [ 49.829787] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.831777] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.833225] Modules linked in: [ 49.833852] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.836053] Tainted: [W]=WARN [ 49.836604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.838123] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.839011] 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 [ 49.842158] RSP: 0018:ffff88801767fbc0 EFLAGS: 00010286 [ 49.843119] RAX: 0000000000000000 RBX: ffffed1002ecff78 RCX: ffffffff813a4050 [ 49.844378] RDX: ffff88800a375340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.845675] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ecff2f [ 49.846927] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.848190] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801767fdf8 [ 49.849468] FS: 00007f95d6947900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.850882] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.851926] CR2: 00007ffc4dc36ef7 CR3: 0000000020831000 CR4: 0000000000350ef0 [ 49.853204] Call Trace: [ 49.853696] [ 49.854101] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.854984] ? __create_object+0x59/0x80 [ 49.855768] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.856737] __vmalloc_noprof+0x59/0x60 [ 49.857450] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.858304] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.859221] bpf_prog_alloc+0x39/0x200 [ 49.859946] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.860866] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.861760] do_seccomp+0x349/0x25e0 [ 49.862422] ? find_held_lock+0x2b/0x80 [ 49.863182] ? do_prlimit+0x310/0x610 [ 49.863900] ? __pfx_do_seccomp+0x10/0x10 [ 49.864629] ? do_raw_spin_unlock+0x53/0x220 [ 49.865455] ? _raw_spin_unlock+0x1e/0x40 [ 49.866216] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.867171] ? static_key_count+0x60/0x80 [ 49.867963] prctl_set_seccomp+0x4e/0x70 [ 49.868730] __do_sys_prctl+0xe6c/0x1d70 [ 49.869464] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.870312] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.871256] ? irqentry_exit+0xf3/0x650 [ 49.872007] do_syscall_64+0xbf/0x430 [ 49.872739] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.873683] RIP: 0033:0x7f95d6e395cd [ 49.874341] 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 [ 49.877455] RSP: 002b:00007ffc4dc342f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.878805] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f95d6e395cd [ 49.880061] RDX: 00005575373c6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.881346] RBP: 00007ffc4dc34350 R08: 0000000000000000 R09: 00007ffc4dc339f0 [ 49.882599] R10: 0000000000000000 R11: 0000000000000246 R12: 00005575587a5ad0 [ 49.883857] R13: 00007ffc4dc34780 R14: 00005575587a6bc0 R15: 00005575587b7780 [ 49.885160] [ 49.885581] irq event stamp: 1797 [ 49.886220] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 49.887727] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 49.889240] softirqs last enabled at (1356): [] handle_softirqs+0x50c/0x770 [ 49.890758] softirqs last disabled at (1351): [] __irq_exit_rcu+0xc4/0x100 [ 49.892253] ---[ end trace 0000000000000000 ]--- [ 50.704008] ------------[ cut here ]------------ [ 50.704899] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.707005] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 50.708526] Modules linked in: [ 50.709212] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.711188] Tainted: [W]=WARN [ 50.711793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.713261] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.714173] 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 [ 50.717345] RSP: 0018:ffff888017487bc0 EFLAGS: 00010286 [ 50.718325] RAX: 0000000000000000 RBX: ffffed1002e90f78 RCX: ffffffff813a4050 [ 50.719605] RDX: ffff88800a370000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.720877] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e90f2f [ 50.722183] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.723458] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017487df8 [ 50.724741] FS: 00007f942120a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.726192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.727251] CR2: 00007ffef7631ef7 CR3: 00000000208ea000 CR4: 0000000000350ef0 [ 50.728529] Call Trace: [ 50.729057] [ 50.729470] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.730361] ? __create_object+0x59/0x80 [ 50.731136] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.732107] __vmalloc_noprof+0x59/0x60 [ 50.732857] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.733749] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.734626] bpf_prog_alloc+0x39/0x200 [ 50.735368] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.736294] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.737220] do_seccomp+0x349/0x25e0 [ 50.737936] ? find_held_lock+0x2b/0x80 [ 50.738697] ? do_prlimit+0x310/0x610 [ 50.739394] ? __pfx_do_seccomp+0x10/0x10 [ 50.740194] ? do_raw_spin_unlock+0x53/0x220 [ 50.741032] ? _raw_spin_unlock+0x1e/0x40 [ 50.741820] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.742779] ? static_key_count+0x60/0x80 [ 50.743527] prctl_set_seccomp+0x4e/0x70 [ 50.744301] __do_sys_prctl+0xe6c/0x1d70 [ 50.745097] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.745962] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.746938] ? irqentry_exit+0xf3/0x650 [ 50.747703] do_syscall_64+0xbf/0x430 [ 50.748397] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.749362] RIP: 0033:0x7f94216fc5cd [ 50.750050] 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 [ 50.753194] RSP: 002b:00007ffef762f7b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.754551] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f94216fc5cd [ 50.755837] RDX: 0000561c8a7bce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.757138] RBP: 00007ffef762f810 R08: 0000000000000000 R09: 00007ffef762eeb0 [ 50.758422] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561cbbdc6ad0 [ 50.759709] R13: 00007ffef762fc40 R14: 0000561cbbdc7bc0 R15: 0000561cbbdd8780 [ 50.761015] [ 50.761441] irq event stamp: 1833 [ 50.762089] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 50.763610] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 50.765156] softirqs last enabled at (1322): [] handle_softirqs+0x50c/0x770 [ 50.766694] softirqs last disabled at (1307): [] __irq_exit_rcu+0xc4/0x100 [ 50.768201] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5702' (ECDSA) to the list of known hosts. 2025/11/18 20:05:06 fuzzer started 2025/11/18 20:05:07 dialing manager at localhost:34383 2025/11/18 20:05:07 checking machine... 2025/11/18 20:05:07 checking revisions... [ 51.642537] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:05:07 testing simple program... [ 51.731049] cgroup: Unknown subsys name 'net' [ 51.795067] cgroup: Unknown subsys name 'cpuset' [ 51.816386] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 20:05:06 Registers: info registers vcpu 0 RAX=ffffffff8135e195 RBX=ffffffff866abd5c RCX=ffffffff8135e1b8 RDX=0000000000000000 RSI=ffffffff86a014cc RDI=ffffffff866abd24 RBP=ffffffff866abd60 RSP=ffff88806ce089b8 R8 =ffffffff86a014cc R9 =0000000000000000 R10=000000000003c9ed R11=0000000000006de2 R12=ffffffff866abd70 R13=ffffffff866abd24 R14=ffffffff866abd48 R15=dffffc0000000000 RIP=ffffffff8135da7f RFL=00000202 [-------] 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 00007f95d6947900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f95d6926020 CR3=000000002035a000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=ffff8880096fb780 RCX=ffffffff817d9966 RDX=0000000000000000 RSI=0000000000000002 RDI=ffff8880096fb780 RBP=ffff8880096fb780 RSP=ffff888009757d38 R8 =0000000000000000 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000001 R12=ffffffff85cfa1a0 R13=ffffffff813c1540 R14=0000000000000200 R15=ffffffff814618d1 RIP=ffffffff81526df3 RFL=00000057 [---ZAPC] 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 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb25cbc66e0 CR3=000000000b910000 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=38db9169530da5842c49c290f5244507 XMM02=00000000003043b8eff9b2d0a8fce9cb XMM03=00000000003044882c67c8bc2e329bc3 XMM04=8ab6f5d16bb7eb9d00000000000ae988 XMM05=f4a3d8871c51146300000000003219c8 XMM06=474038aa6c007e1f0000000000320a68 XMM07=e042d86d42eb936e0000000000310a50 XMM08=175284a44e7613210000000000304488 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000