syzkaller login: [ 39.116734] ------------[ cut here ]------------ [ 39.117643] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.119605] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.121042] Modules linked in: [ 39.121684] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.123885] Tainted: [W]=WARN [ 39.124737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.126196] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.127123] 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 [ 39.130248] RSP: 0018:ffff88801991fbc0 EFLAGS: 00010286 [ 39.131226] RAX: 0000000000000000 RBX: ffffed1003323f78 RCX: ffffffff813a4050 [ 39.132501] RDX: ffff888016ef8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.133810] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003323f2f [ 39.135092] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.136370] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801991fdf8 [ 39.137641] FS: 00007f08caf73900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.139068] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.140124] CR2: 00007f08cb465580 CR3: 0000000014d26000 CR4: 0000000000350ef0 [ 39.141401] Call Trace: [ 39.141871] [ 39.142273] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.143179] ? __create_object+0x59/0x80 [ 39.143962] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.144917] __vmalloc_noprof+0x59/0x60 [ 39.145681] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.146574] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.147526] bpf_prog_alloc+0x39/0x200 [ 39.148207] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.149122] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.150022] do_seccomp+0x349/0x25e0 [ 39.150733] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.151634] ? __pfx_do_seccomp+0x10/0x10 [ 39.152413] ? find_held_lock+0x2b/0x80 [ 39.153128] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.154085] ? static_key_count+0x60/0x80 [ 39.154870] prctl_set_seccomp+0x4e/0x70 [ 39.155661] __do_sys_prctl+0xe6c/0x1d70 [ 39.156444] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.157247] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.158195] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.159159] ? irqentry_exit+0xf3/0x650 [ 39.159911] do_syscall_64+0xbf/0x430 [ 39.160638] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.161587] RIP: 0033:0x7f08cb4655cd [ 39.162235] 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 [ 39.165347] RSP: 002b:00007ffe44179910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.166685] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f08cb4655cd [ 39.167971] RDX: 00005576bf501e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.169248] RBP: 00007ffe44179970 R08: 0000000000000000 R09: 00007ffe44179010 [ 39.170503] R10: 0000000000000000 R11: 0000000000000246 R12: 00005576c6d24bf0 [ 39.171789] R13: 00007ffe44179da0 R14: 00005576c6d2e380 R15: 00005576c6d39460 [ 39.173075] [ 39.173527] irq event stamp: 1853 [ 39.174126] hardirqs last enabled at (1861): [] __up_console_sem+0x78/0x80 [ 39.175653] hardirqs last disabled at (1870): [] __up_console_sem+0x5d/0x80 [ 39.177159] softirqs last enabled at (1582): [] handle_softirqs+0x50c/0x770 [ 39.178674] softirqs last disabled at (1571): [] __irq_exit_rcu+0xc4/0x100 [ 39.180178] ---[ end trace 0000000000000000 ]--- [ 42.577726] ------------[ cut here ]------------ [ 42.578656] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.581169] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.582619] Modules linked in: [ 42.583212] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.585420] Tainted: [W]=WARN [ 42.585991] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.587516] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.588455] 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 [ 42.591632] RSP: 0018:ffff88801991fbc0 EFLAGS: 00010286 [ 42.592614] RAX: 0000000000000000 RBX: ffffed1003323f78 RCX: ffffffff813a4050 [ 42.593880] RDX: ffff888014ee8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.595168] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003323f2f [ 42.596442] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.597719] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801991fdf8 [ 42.599003] FS: 00007f840b1cc900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.600439] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.601498] CR2: 00007ffc716acef7 CR3: 000000001ffa8000 CR4: 0000000000350ef0 [ 42.602760] Call Trace: [ 42.603231] [ 42.603687] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.604574] ? __create_object+0x59/0x80 [ 42.605355] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.606333] __vmalloc_noprof+0x59/0x60 [ 42.607066] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.607948] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.608882] bpf_prog_alloc+0x39/0x200 [ 42.609630] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.610557] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.611481] do_seccomp+0x349/0x25e0 [ 42.612164] ? find_held_lock+0x2b/0x80 [ 42.612924] ? do_prlimit+0x310/0x610 [ 42.613667] ? __pfx_do_seccomp+0x10/0x10 [ 42.614461] ? do_raw_spin_unlock+0x53/0x220 [ 42.615324] ? _raw_spin_unlock+0x1e/0x40 [ 42.616063] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.617046] ? static_key_count+0x60/0x80 [ 42.617849] prctl_set_seccomp+0x4e/0x70 [ 42.618625] __do_sys_prctl+0xe6c/0x1d70 [ 42.619422] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.620244] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.621221] ? irqentry_exit+0xf3/0x650 [ 42.621998] do_syscall_64+0xbf/0x430 [ 42.622741] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.623703] RIP: 0033:0x7f840b6be5cd [ 42.624425] 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 [ 42.627558] RSP: 002b:00007ffc716aaa90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.628910] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f840b6be5cd [ 42.630185] RDX: 00005597e7286e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.631483] RBP: 00007ffc716aaaf0 R08: 0000000000000000 R09: 00007ffc716aa190 [ 42.632747] R10: 0000000000000000 R11: 0000000000000246 R12: 000055980988dad0 [ 42.634021] R13: 00007ffc716aaf20 R14: 000055980988ebc0 R15: 000055980989f780 [ 42.635338] [ 42.635747] irq event stamp: 1923 [ 42.636247] hardirqs last enabled at (1931): [] __up_console_sem+0x78/0x80 [ 42.637531] hardirqs last disabled at (1942): [] __up_console_sem+0x5d/0x80 [ 42.638790] softirqs last enabled at (1902): [] handle_softirqs+0x50c/0x770 [ 42.640074] softirqs last disabled at (1897): [] __irq_exit_rcu+0xc4/0x100 [ 42.641327] ---[ end trace 0000000000000000 ]--- [ 43.490669] ------------[ cut here ]------------ [ 43.491618] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.493584] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.495039] Modules linked in: [ 43.495670] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.497591] Tainted: [W]=WARN [ 43.498135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.499574] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.500488] 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 [ 43.503577] RSP: 0018:ffff888016f9fbc0 EFLAGS: 00010286 [ 43.504530] RAX: 0000000000000000 RBX: ffffed1002df3f78 RCX: ffffffff813a4050 [ 43.505815] RDX: ffff888019199bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.507120] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002df3f2f [ 43.508451] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.509718] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016f9fdf8 [ 43.511015] FS: 00007fdab34f0900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.512484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.513542] CR2: 00007ffe9a19aef7 CR3: 000000000f276000 CR4: 0000000000350ef0 [ 43.514801] Call Trace: [ 43.515275] [ 43.515759] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.516672] ? __create_object+0x59/0x80 [ 43.517438] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.518402] __vmalloc_noprof+0x59/0x60 [ 43.519138] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.520058] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.520997] bpf_prog_alloc+0x39/0x200 [ 43.521745] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.522679] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.523606] do_seccomp+0x349/0x25e0 [ 43.524367] ? find_held_lock+0x2b/0x80 [ 43.525081] ? do_prlimit+0x310/0x610 [ 43.525858] ? __pfx_do_seccomp+0x10/0x10 [ 43.526657] ? do_raw_spin_unlock+0x53/0x220 [ 43.527505] ? _raw_spin_unlock+0x1e/0x40 [ 43.528246] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.529209] ? static_key_count+0x60/0x80 [ 43.530057] prctl_set_seccomp+0x4e/0x70 [ 43.530842] __do_sys_prctl+0xe6c/0x1d70 [ 43.531635] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.532491] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.533463] ? irqentry_exit+0xf3/0x650 [ 43.534227] do_syscall_64+0xbf/0x430 [ 43.534976] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.535939] RIP: 0033:0x7fdab39e25cd [ 43.536655] 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 [ 43.539913] RSP: 002b:00007ffe9a198320 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.541404] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdab39e25cd [ 43.542802] RDX: 0000561119d6de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.544207] RBP: 00007ffe9a198380 R08: 0000000000000000 R09: 00007ffe9a197a20 [ 43.545617] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561132764bf0 [ 43.547012] R13: 00007ffe9a1987b0 R14: 000056113276e380 R15: 0000561132779460 [ 43.548434] [ 43.548891] irq event stamp: 1733 [ 43.549598] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 43.551253] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 43.552938] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 43.554604] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 43.556086] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:31836' (ECDSA) to the list of known hosts. 2025/11/18 23:12:53 fuzzer started 2025/11/18 23:12:54 dialing manager at localhost:34383 2025/11/18 23:12:54 checking machine... 2025/11/18 23:12:54 checking revisions... [ 44.458171] kmemleak: Automatic memory scanning thread ended 2025/11/18 23:12:54 testing simple program... [ 44.542669] cgroup: Unknown subsys name 'net' [ 44.595871] cgroup: Unknown subsys name 'cpuset' [ 44.609387] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 23:12:53 Registers: info registers vcpu 0 RAX=1ffffffff0d360a7 RBX=ffffffff869b053c RCX=ffffffff84c7129f RDX=0000000000000000 RSI=ffffffff86e880c6 RDI=ffffffff869b0520 RBP=ffffffff869b0520 RSP=ffff88806ce089b8 R8 =ffffffff86e880c6 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000c7fe1 R12=ffffffff869b055c R13=ffffffff869b0520 R14=ffffffff869b0520 R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000213 [----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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fbb45558000 CR3=0000000009b09000 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=756e696c2d34365f3638782f62696c2f XMM01=6f732e6474737a62696c2f756e672d78 XMM02=00312e6f732e6474737a62696c2f756e XMM03=672d78756e696c2d34365f3638782f62 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001419c RBX=0000000000000000 RCX=0000000000000004 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88800dd761a8 RBP=ffff88806cf08e58 RSP=ffff88806cf08df8 R8 =0000000000000001 R9 =0000000000000001 R10=ffffffff8664f857 R11=0000000000000001 R12=ffffea000062e800 R13=0000000000000000 R14=ffff888018ba6780 R15=ffff8880096c7dc0 RIP=ffffffff81b61cd2 RFL=00000282 [--S----] 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 00007f840b1cc900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc716a4000 CR3=000000001ff98000 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=6720646572637465733a4d41503d706f 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