syzkaller login: [ 39.362766] ------------[ cut here ]------------ [ 39.363742] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.365752] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.367257] Modules linked in: [ 39.367847] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.369827] Tainted: [W]=WARN [ 39.370440] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.371914] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.372844] 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 [ 39.376017] RSP: 0018:ffff888009fcfbc0 EFLAGS: 00010286 [ 39.376985] RAX: 0000000000000000 RBX: ffffed10013f9f78 RCX: ffffffff813a4050 [ 39.378290] RDX: ffff888017b1b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.379576] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013f9f2f [ 39.380845] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.382154] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009fcfdf8 [ 39.383436] FS: 00007f08f1923900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.384870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.385966] CR2: 00007f08f1e15580 CR3: 0000000009d39000 CR4: 0000000000350ef0 [ 39.387272] Call Trace: [ 39.387741] [ 39.388153] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.389058] ? __create_object+0x59/0x80 [ 39.389857] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.390835] __vmalloc_noprof+0x59/0x60 [ 39.391598] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.392476] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.393408] bpf_prog_alloc+0x39/0x200 [ 39.394131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.395053] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.395969] do_seccomp+0x349/0x25e0 [ 39.396686] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.397617] ? __pfx_do_seccomp+0x10/0x10 [ 39.398415] ? find_held_lock+0x2b/0x80 [ 39.399133] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.400095] ? static_key_count+0x60/0x80 [ 39.400882] prctl_set_seccomp+0x4e/0x70 [ 39.401665] __do_sys_prctl+0xe6c/0x1d70 [ 39.402468] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.403348] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.404315] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.405287] ? irqentry_exit+0xf3/0x650 [ 39.406036] do_syscall_64+0xbf/0x430 [ 39.406791] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.407757] RIP: 0033:0x7f08f1e155cd [ 39.408456] 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 [ 39.411613] RSP: 002b:00007fff06f609b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.412973] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f08f1e155cd [ 39.414283] RDX: 000055a479a40e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.415569] RBP: 00007fff06f60a10 R08: 0000000000000000 R09: 00007fff06f600b0 [ 39.416867] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a4a07cfad0 [ 39.418172] R13: 00007fff06f60e40 R14: 000055a4a07d0bc0 R15: 000055a4a07e1780 [ 39.419480] [ 39.419899] irq event stamp: 1715 [ 39.420561] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 39.422092] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 39.423640] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 39.425201] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 39.426777] ---[ end trace 0000000000000000 ]--- [ 42.176144] ------------[ cut here ]------------ [ 42.177077] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.179092] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.180558] Modules linked in: [ 42.181147] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.183157] Tainted: [W]=WARN [ 42.183752] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.185257] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.186143] 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 [ 42.189583] RSP: 0018:ffff888016aefbc0 EFLAGS: 00010286 [ 42.190673] RAX: 0000000000000000 RBX: ffffed1002d5df78 RCX: ffffffff813a4050 [ 42.191982] RDX: ffff888017d88000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.193277] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d5df2f [ 42.194567] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.195849] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016aefdf8 [ 42.197141] FS: 00007fdfa357f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.198602] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.199692] CR2: 00007ffe2202eef7 CR3: 0000000020362000 CR4: 0000000000350ef0 [ 42.200973] Call Trace: [ 42.201489] [ 42.201903] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.202809] ? __create_object+0x59/0x80 [ 42.203613] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.204605] __vmalloc_noprof+0x59/0x60 [ 42.205367] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.206269] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.207178] bpf_prog_alloc+0x39/0x200 [ 42.207917] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.208843] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.209754] do_seccomp+0x349/0x25e0 [ 42.210484] ? find_held_lock+0x2b/0x80 [ 42.211193] ? do_prlimit+0x310/0x610 [ 42.211946] ? __pfx_do_seccomp+0x10/0x10 [ 42.212739] ? do_raw_spin_unlock+0x53/0x220 [ 42.213566] ? _raw_spin_unlock+0x1e/0x40 [ 42.214363] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.215334] ? static_key_count+0x60/0x80 [ 42.216093] prctl_set_seccomp+0x4e/0x70 [ 42.216859] __do_sys_prctl+0xe6c/0x1d70 [ 42.217659] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.218515] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.219483] ? irqentry_exit+0xf3/0x650 [ 42.220219] do_syscall_64+0xbf/0x430 [ 42.220968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.221929] RIP: 0033:0x7fdfa3a715cd [ 42.222626] 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 [ 42.225836] RSP: 002b:00007ffe2202cb70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.227001] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdfa3a715cd [ 42.228073] RDX: 0000561bd8807e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.229141] RBP: 00007ffe2202cbd0 R08: 0000000000000000 R09: 00007ffe2202c270 [ 42.230220] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561c055c7ad0 [ 42.231309] R13: 00007ffe2202d000 R14: 0000561c055c8bc0 R15: 0000561c055d9780 [ 42.232405] [ 42.232759] irq event stamp: 1831 [ 42.233286] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 42.234576] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 42.235851] softirqs last enabled at (1472): [] handle_softirqs+0x50c/0x770 [ 42.237135] softirqs last disabled at (1463): [] __irq_exit_rcu+0xc4/0x100 [ 42.238414] ---[ end trace 0000000000000000 ]--- [ 42.778470] ------------[ cut here ]------------ [ 42.779426] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.781446] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 42.782938] Modules linked in: [ 42.783574] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.785597] Tainted: [W]=WARN [ 42.786180] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.787665] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.788600] 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 [ 42.791801] RSP: 0018:ffff88801728fbc0 EFLAGS: 00010286 [ 42.792781] RAX: 0000000000000000 RBX: ffffed1002e51f78 RCX: ffffffff813a4050 [ 42.794085] RDX: ffff888016111bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.795357] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e51f2f [ 42.796649] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.797957] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801728fdf8 [ 42.799262] FS: 00007fc48d833900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.800701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.801772] CR2: 00007fc48dd25580 CR3: 00000000170f7000 CR4: 0000000000350ef0 [ 42.803072] Call Trace: [ 42.803595] [ 42.804013] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.804910] ? __create_object+0x59/0x80 [ 42.805710] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.806684] __vmalloc_noprof+0x59/0x60 [ 42.807445] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.808333] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.809219] bpf_prog_alloc+0x39/0x200 [ 42.809970] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.810887] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.811802] do_seccomp+0x349/0x25e0 [ 42.812534] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.813457] ? __pfx_do_seccomp+0x10/0x10 [ 42.814214] ? find_held_lock+0x2b/0x80 [ 42.814972] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.815942] ? static_key_count+0x60/0x80 [ 42.816747] prctl_set_seccomp+0x4e/0x70 [ 42.817529] __do_sys_prctl+0xe6c/0x1d70 [ 42.818335] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.819163] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.820116] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.821081] ? irqentry_exit+0xf3/0x650 [ 42.821856] do_syscall_64+0xbf/0x430 [ 42.822593] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.823558] RIP: 0033:0x7fc48dd255cd [ 42.824276] 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 [ 42.827476] RSP: 002b:00007ffcd83133e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.828834] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc48dd255cd [ 42.830153] RDX: 000055b3ae55ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.831450] RBP: 00007ffcd8313440 R08: 0000000000000000 R09: 00007ffcd8312ae0 [ 42.832745] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b3cb4942b0 [ 42.834040] R13: 00007ffcd8313870 R14: 000055b3cb496d20 R15: 000055b3cb4a88d0 [ 42.835161] [ 42.835550] irq event stamp: 1793 [ 42.836055] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 42.837314] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 42.838586] softirqs last enabled at (1760): [] handle_softirqs+0x50c/0x770 [ 42.839924] softirqs last disabled at (1829): [] __irq_exit_rcu+0xc4/0x100 [ 42.841198] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:22378' (ECDSA) to the list of known hosts. 2025/11/18 19:51:57 fuzzer started 2025/11/18 19:51:57 dialing manager at localhost:34383 2025/11/18 19:51:57 checking machine... 2025/11/18 19:51:57 checking revisions... [ 43.677903] kmemleak: Automatic memory scanning thread ended 2025/11/18 19:51:57 testing simple program... [ 43.750605] cgroup: Unknown subsys name 'net' [ 43.796286] cgroup: Unknown subsys name 'cpuset' [ 43.808531] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:51:56 Registers: info registers vcpu 0 RAX=fffffffffd38169b RBX=ffffffff868fb8a8 RCX=ffffffff83c7cf39 RDX=0000000000000000 RSI=ffffffff86d78de2 RDI=ffffffff868fb888 RBP=ffffffff868fb888 RSP=ffff8880096276a8 R8 =ffffffff86d78de2 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009acbb R12=ffffffff868fb8cc R13=ffffffff868fb888 R14=ffffffff868fb888 R15=dffffc0000000000 RIP=ffffffff8135dac3 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 0000000000000000 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=00007fdfa3549008 CR3=000000002035c000 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=000000000001c8e1 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe4000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd8e91e0000 CR3=000000000d709000 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=a3dda829f6d3ef85b44c0d839dfc30bd XMM02=0000000000305400ec2efd57dc4c00df XMM03=0000000000310d90f075d7d8c60e0162 XMM04=ae247db4002d584100000000000ae988 XMM05=d96330e2d2db86320000000000320a38 XMM06=92a6173b203be0f3000000000031aa18 XMM07=e042d86d42eb936e0000000000311010 XMM08=f075d7d8c60e01620000000000305460 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000