syzkaller login: [ 46.495923] ------------[ cut here ]------------ [ 46.496835] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.498843] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.500287] Modules linked in: [ 46.500872] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.503172] Tainted: [W]=WARN [ 46.503735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.505182] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.506051] 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 [ 46.509195] RSP: 0018:ffff88800d8a7bc0 EFLAGS: 00010286 [ 46.510178] RAX: 0000000000000000 RBX: ffffed1001b14f78 RCX: ffffffff813a4050 [ 46.511455] RDX: ffff8880153cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.512724] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b14f2f [ 46.514000] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.515279] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d8a7df8 [ 46.516545] FS: 00007fc2b436e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.517978] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.519025] CR2: 00007ffdc1016ef7 CR3: 000000000d957000 CR4: 0000000000350ef0 [ 46.520290] Call Trace: [ 46.520747] [ 46.521185] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.522040] ? __create_object+0x59/0x80 [ 46.522820] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.523777] __vmalloc_noprof+0x59/0x60 [ 46.524527] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.525404] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.526341] bpf_prog_alloc+0x39/0x200 [ 46.527043] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.527979] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.528905] do_seccomp+0x349/0x25e0 [ 46.529645] ? find_held_lock+0x2b/0x80 [ 46.530426] ? do_prlimit+0x310/0x610 [ 46.531193] ? __pfx_do_seccomp+0x10/0x10 [ 46.531957] ? do_raw_spin_unlock+0x53/0x220 [ 46.532811] ? _raw_spin_unlock+0x1e/0x40 [ 46.533611] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.534601] ? static_key_count+0x60/0x80 [ 46.535417] prctl_set_seccomp+0x4e/0x70 [ 46.536202] __do_sys_prctl+0xe6c/0x1d70 [ 46.536940] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.537821] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.538806] ? irqentry_exit+0xf3/0x650 [ 46.539585] do_syscall_64+0xbf/0x430 [ 46.540343] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.541308] RIP: 0033:0x7fc2b48605cd [ 46.541983] 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 [ 46.545154] RSP: 002b:00007ffdc1015460 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.546568] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc2b48605cd [ 46.547863] RDX: 000055744c2d7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.549150] RBP: 00007ffdc10154c0 R08: 0000000000000000 R09: 00007ffdc1014b60 [ 46.550466] R10: 0000000000000000 R11: 0000000000000246 R12: 000055744faa2240 [ 46.551759] R13: 00007ffdc10158f0 R14: 000055744faa1bf0 R15: 000055744fab64d0 [ 46.553110] [ 46.553546] irq event stamp: 1777 [ 46.554212] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 46.555745] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 46.557289] softirqs last enabled at (1390): [] handle_softirqs+0x50c/0x770 [ 46.558840] softirqs last disabled at (1385): [] __irq_exit_rcu+0xc4/0x100 [ 46.560398] ---[ end trace 0000000000000000 ]--- [ 49.370610] ------------[ cut here ]------------ [ 49.371572] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.373620] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 49.375184] Modules linked in: [ 49.375788] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.377804] Tainted: [W]=WARN [ 49.378411] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.379905] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.380836] 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 [ 49.384057] RSP: 0018:ffff88800c96fbc0 EFLAGS: 00010286 [ 49.385027] RAX: 0000000000000000 RBX: ffffed100192df78 RCX: ffffffff813a4050 [ 49.386332] RDX: ffff888015c65340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.387635] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100192df2f [ 49.388932] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.390235] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800c96fdf8 [ 49.391535] FS: 00007f681c25c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.392999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.394102] CR2: 00007ffc508afef7 CR3: 000000000bf78000 CR4: 0000000000350ef0 [ 49.395414] Call Trace: [ 49.395889] [ 49.396358] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.397269] ? __create_object+0x59/0x80 [ 49.398030] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.399018] __vmalloc_noprof+0x59/0x60 [ 49.399787] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.400674] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.401629] bpf_prog_alloc+0x39/0x200 [ 49.402399] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.403351] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.404268] do_seccomp+0x349/0x25e0 [ 49.404957] ? find_held_lock+0x2b/0x80 [ 49.405743] ? do_prlimit+0x310/0x610 [ 49.406490] ? __pfx_do_seccomp+0x10/0x10 [ 49.407300] ? do_raw_spin_unlock+0x53/0x220 [ 49.408149] ? _raw_spin_unlock+0x1e/0x40 [ 49.408895] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.409884] ? static_key_count+0x60/0x80 [ 49.410708] prctl_set_seccomp+0x4e/0x70 [ 49.411501] __do_sys_prctl+0xe6c/0x1d70 [ 49.412297] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.413168] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.414165] ? irqentry_exit+0xf3/0x650 [ 49.414899] do_syscall_64+0xbf/0x430 [ 49.415646] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.416606] RIP: 0033:0x7f681c74e5cd [ 49.417319] 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 [ 49.420534] RSP: 002b:00007ffc508ad990 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.421933] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f681c74e5cd [ 49.423241] RDX: 0000561163cdee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.424552] RBP: 00007ffc508ad9f0 R08: 0000000000000000 R09: 00007ffc508ad090 [ 49.425862] R10: 0000000000000000 R11: 0000000000000246 R12: 00005611685edbf0 [ 49.427160] R13: 00007ffc508ade20 R14: 00005611685f7380 R15: 0000561168602460 [ 49.428469] [ 49.428899] irq event stamp: 1735 [ 49.429552] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 49.431134] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 49.432674] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 49.434255] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 49.435791] ---[ end trace 0000000000000000 ]--- [ 50.111273] ------------[ cut here ]------------ [ 50.112020] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.113745] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 50.114945] Modules linked in: [ 50.115467] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.117126] Tainted: [W]=WARN [ 50.117583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.118827] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.119594] 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 [ 50.122269] RSP: 0018:ffff88801663fbc0 EFLAGS: 00010286 [ 50.123046] RAX: 0000000000000000 RBX: ffffed1002cc7f78 RCX: ffffffff813a4050 [ 50.124129] RDX: ffff88800e429bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.125200] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cc7f2f [ 50.126282] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.127357] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801663fdf8 [ 50.128437] FS: 00007fb377334900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.129640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.130545] CR2: 00007fb377826580 CR3: 000000000cac1000 CR4: 0000000000350ef0 [ 50.131641] Call Trace: [ 50.132030] [ 50.132454] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.133216] ? __create_object+0x59/0x80 [ 50.133840] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.134657] __vmalloc_noprof+0x59/0x60 [ 50.135287] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.135981] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.136760] bpf_prog_alloc+0x39/0x200 [ 50.137384] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.138176] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.138889] do_seccomp+0x349/0x25e0 [ 50.139515] ? __pfx_css_rstat_updated+0x10/0x10 [ 50.140261] ? __pfx_do_seccomp+0x10/0x10 [ 50.140885] ? find_held_lock+0x2b/0x80 [ 50.141522] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.142336] ? static_key_count+0x60/0x80 [ 50.142967] prctl_set_seccomp+0x4e/0x70 [ 50.143609] __do_sys_prctl+0xe6c/0x1d70 [ 50.144269] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.144953] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.145767] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.146590] ? irqentry_exit+0xf3/0x650 [ 50.147233] do_syscall_64+0xbf/0x430 [ 50.147812] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.148623] RIP: 0033:0x7fb3778265cd [ 50.149207] 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 [ 50.151860] RSP: 002b:00007ffd69bad150 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.153008] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb3778265cd [ 50.154098] RDX: 00005574b96a6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.155167] RBP: 00007ffd69bad1b0 R08: 0000000000000000 R09: 00007ffd69bac850 [ 50.156253] R10: 0000000000000000 R11: 0000000000000246 R12: 00005574e136cbf0 [ 50.157333] R13: 00007ffd69bad5e0 R14: 00005574e1376380 R15: 00005574e1381460 [ 50.158427] [ 50.158783] irq event stamp: 1743 [ 50.159321] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 50.160597] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 50.161885] softirqs last enabled at (1522): [] handle_softirqs+0x50c/0x770 [ 50.163177] softirqs last disabled at (1511): [] __irq_exit_rcu+0xc4/0x100 [ 50.164466] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:54750' (ECDSA) to the list of known hosts. 2025/11/18 06:27:11 fuzzer started 2025/11/18 06:27:11 dialing manager at localhost:37895 2025/11/18 06:27:11 checking machine... 2025/11/18 06:27:11 checking revisions... [ 50.966115] kmemleak: Automatic memory scanning thread ended 2025/11/18 06:27:11 testing simple program... [ 51.042751] cgroup: Unknown subsys name 'net' [ 51.098734] cgroup: Unknown subsys name 'cpuset' [ 51.112176] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 06:27:11 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=0000000000000002 RCX=ffffffff86ab8c36 RDX=1ffff1100d9c1151 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff88806ce08a98 RSP=ffff88806ce089d0 R8 =ffffffff86ab8c3a R9 =0000000000000000 R10=000000000003c9ed R11=0000000000025767 R12=ffff88806ce08aa0 R13=ffff88806ce08a88 R14=0000000000000005 R15=ffff88806ce08a40 RIP=ffffffff8135e90e 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 00007f681c25c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc508a7000 CR3=000000000fccc000 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 info registers vcpu 1 RAX=0000000000027b7b RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe5a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000561168653000 CR3=0000000005c8a000 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=00007fd62651e5100000561a4ff5a790 XMM02=6f6974707972636e6561737268746977 XMM03=00000000000000000000000000777074 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ffffffffffff00ffffff00ffffff00ff XMM08=00002000000000202020002020200000 XMM09=ffffffffffff00ffffff00ffffff00ff XMM10=00002000000000202020002020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000