Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.400270] ------------[ cut here ]------------ [ 39.401258] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.403248] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.404729] Modules linked in: [ 39.405395] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.407402] Tainted: [W]=WARN [ 39.407959] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.409498] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.410394] 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 [ 39.413606] RSP: 0018:ffff88801d047bc0 EFLAGS: 00010286 [ 39.414609] RAX: 0000000000000000 RBX: ffffed1003a08f78 RCX: ffffffff813a4050 [ 39.415884] RDX: ffff888015d78000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.417215] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003a08f2f [ 39.418553] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.419911] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801d047df8 [ 39.421290] FS: 00007feffbad8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.422801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.423893] CR2: 00007fff6197aef7 CR3: 000000000cc39000 CR4: 0000000000350ef0 [ 39.425502] Call Trace: [ 39.426171] [ 39.426614] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.427549] ? __create_object+0x59/0x80 [ 39.428340] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.429392] __vmalloc_noprof+0x59/0x60 [ 39.430209] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.431069] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.432044] bpf_prog_alloc+0x39/0x200 [ 39.432819] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.433818] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.434768] do_seccomp+0x349/0x25e0 [ 39.435540] ? find_held_lock+0x2b/0x80 [ 39.436320] ? do_prlimit+0x310/0x610 [ 39.437064] ? __pfx_do_seccomp+0x10/0x10 [ 39.437921] ? do_raw_spin_unlock+0x53/0x220 [ 39.438796] ? _raw_spin_unlock+0x1e/0x40 [ 39.439613] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.440630] ? static_key_count+0x60/0x80 [ 39.441487] prctl_set_seccomp+0x4e/0x70 [ 39.442293] __do_sys_prctl+0xe6c/0x1d70 [ 39.443066] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.443963] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.444984] ? irqentry_exit+0xf3/0x650 [ 39.445812] do_syscall_64+0xbf/0x430 [ 39.446600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.447596] RIP: 0033:0x7feffbfca5cd [ 39.448322] 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 [ 39.451632] RSP: 002b:00007fff61979160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.453055] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007feffbfca5cd [ 39.454394] RDX: 00005570b49c4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.455740] RBP: 00007fff619791c0 R08: 0000000000000000 R09: 00007fff61978860 [ 39.457115] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570dd0f1ad0 [ 39.458472] R13: 00007fff619795f0 R14: 00005570dd0f2bc0 R15: 00005570dd103780 [ 39.459822] [ 39.460287] irq event stamp: 1787 [ 39.460924] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 39.462558] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 39.464126] softirqs last enabled at (1608): [] handle_softirqs+0x50c/0x770 [ 39.465770] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 39.467147] ---[ end trace 0000000000000000 ]--- [ 42.423030] ------------[ cut here ]------------ [ 42.423632] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.424981] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.426162] Modules linked in: [ 42.426552] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.427813] Tainted: [W]=WARN [ 42.428189] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.429150] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.429698] 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 [ 42.431711] RSP: 0018:ffff888016d67bc0 EFLAGS: 00010286 [ 42.432326] RAX: 0000000000000000 RBX: ffffed1002dacf78 RCX: ffffffff813a4050 [ 42.433162] RDX: ffff888019c91bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.433956] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dacf2f [ 42.434764] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.435567] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d67df8 [ 42.436385] FS: 00007f7e89eda900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.437319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.437965] CR2: 00007ffcb76efef7 CR3: 000000001d396000 CR4: 0000000000350ef0 [ 42.438767] Call Trace: [ 42.439062] [ 42.439345] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.439885] ? __create_object+0x59/0x80 [ 42.440372] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.440955] __vmalloc_noprof+0x59/0x60 [ 42.441465] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.441999] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.442583] bpf_prog_alloc+0x39/0x200 [ 42.443017] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.443596] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.444181] do_seccomp+0x349/0x25e0 [ 42.444613] ? find_held_lock+0x2b/0x80 [ 42.445084] ? do_prlimit+0x310/0x610 [ 42.445554] ? __pfx_do_seccomp+0x10/0x10 [ 42.446020] ? do_raw_spin_unlock+0x53/0x220 [ 42.446543] ? _raw_spin_unlock+0x1e/0x40 [ 42.447011] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.447614] ? static_key_count+0x60/0x80 [ 42.448122] prctl_set_seccomp+0x4e/0x70 [ 42.448579] __do_sys_prctl+0xe6c/0x1d70 [ 42.449068] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.449623] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.450070] ? irqentry_exit+0xf3/0x650 [ 42.450426] do_syscall_64+0xbf/0x430 [ 42.450761] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.451211] RIP: 0033:0x7f7e8a3cc5cd [ 42.451527] 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 [ 42.453073] RSP: 002b:00007ffcb76ed5d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.453720] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e8a3cc5cd [ 42.454328] RDX: 000055df3f297e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.454903] RBP: 00007ffcb76ed630 R08: 0000000000000000 R09: 00007ffcb76eccd0 [ 42.455506] R10: 0000000000000000 R11: 0000000000000246 R12: 000055df7e73cbf0 [ 42.456086] R13: 00007ffcb76eda60 R14: 000055df7e746380 R15: 000055df7e751460 [ 42.456682] [ 42.456876] irq event stamp: 1787 [ 42.457196] hardirqs last enabled at (1797): [] __up_console_sem+0x78/0x80 [ 42.457877] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 42.458574] softirqs last enabled at (1434): [] handle_softirqs+0x50c/0x770 [ 42.459284] softirqs last disabled at (1425): [] __irq_exit_rcu+0xc4/0x100 [ 42.459967] ---[ end trace 0000000000000000 ]--- [ 43.111242] ------------[ cut here ]------------ [ 43.112256] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.114513] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.116128] Modules linked in: [ 43.116783] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.118970] Tainted: [W]=WARN [ 43.119617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.121234] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.122240] 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 [ 43.125749] RSP: 0018:ffff888018a67bc0 EFLAGS: 00010286 [ 43.126816] RAX: 0000000000000000 RBX: ffffed100314cf78 RCX: ffffffff813a4050 [ 43.128253] RDX: ffff888015d7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.129681] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100314cf2f [ 43.131072] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.132495] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018a67df8 [ 43.133906] FS: 00007f154a415900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.135473] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.136637] CR2: 00007f154a907580 CR3: 0000000013c09000 CR4: 0000000000350ef0 [ 43.138048] Call Trace: [ 43.138591] [ 43.139045] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.140022] ? __create_object+0x59/0x80 [ 43.140906] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.141987] __vmalloc_noprof+0x59/0x60 [ 43.142825] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.143780] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.144800] bpf_prog_alloc+0x39/0x200 [ 43.145626] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.146656] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.147646] do_seccomp+0x349/0x25e0 [ 43.148426] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.149420] ? __pfx_do_seccomp+0x10/0x10 [ 43.150224] ? find_held_lock+0x2b/0x80 [ 43.150852] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.151701] ? static_key_count+0x60/0x80 [ 43.152394] prctl_set_seccomp+0x4e/0x70 [ 43.153025] __do_sys_prctl+0xe6c/0x1d70 [ 43.153694] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.154425] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.155252] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.156048] ? irqentry_exit+0xf3/0x650 [ 43.156713] do_syscall_64+0xbf/0x430 [ 43.157358] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.158174] RIP: 0033:0x7f154a9075cd [ 43.158740] 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 [ 43.161492] RSP: 002b:00007ffda0647020 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.162676] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f154a9075cd [ 43.163788] RDX: 0000555f71088e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.164898] RBP: 00007ffda0647080 R08: 0000000000000000 R09: 00007ffda0646720 [ 43.166003] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555fac6a5ad0 [ 43.167115] R13: 00007ffda06474b0 R14: 0000555fac6a6bc0 R15: 0000555fac6b7780 [ 43.168238] [ 43.168608] irq event stamp: 1757 [ 43.169185] hardirqs last enabled at (1767): [] __up_console_sem+0x78/0x80 [ 43.170497] hardirqs last disabled at (1776): [] __up_console_sem+0x5d/0x80 [ 43.171799] softirqs last enabled at (1458): [] handle_softirqs+0x50c/0x770 [ 43.173124] softirqs last disabled at (1443): [] __irq_exit_rcu+0xc4/0x100 [ 43.174593] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:42391' (ECDSA) to the list of known hosts. 2025/11/18 10:04:53 fuzzer started 2025/11/18 10:04:54 dialing manager at localhost:34383 2025/11/18 10:04:54 checking machine... 2025/11/18 10:04:54 checking revisions... [ 44.009975] kmemleak: Automatic memory scanning thread ended 2025/11/18 10:04:54 testing simple program... [ 44.093200] cgroup: Unknown subsys name 'net' [ 44.150633] cgroup: Unknown subsys name 'cpuset' [ 44.162774] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:04:53 Registers: info registers vcpu 0 RAX=ffffffff815fac8f RBX=ffffffff866da328 RCX=ffffffff815fac9e RDX=0000000000000000 RSI=ffffffff86a46dba RDI=ffffffff866da318 RBP=ffffffff866da32c RSP=ffff88806ce089b8 R8 =ffffffff86a46dba R9 =0000000000000000 R10=000000000003c9ed R11=000000000001275f R12=ffffffff866da338 R13=ffffffff866da318 R14=ffffffff866da318 R15=dffffc0000000000 RIP=ffffffff8135da7f RFL=00000216 [----AP-] 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 00007f7e89eda900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7e89e9a008 CR3=000000001d33a000 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=dffffc0000000000 RBX=0000000000000001 RCX=ffffffff86ab8484 RDX=1ffff110012eaf11 RSI=0000000000000001 RDI=0000000000000001 RBP=ffff888009757898 RSP=ffff8880097577d0 R8 =ffffffff86ab8488 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=ffff8880097578a0 R13=ffff888009757888 R14=0000000000000005 R15=ffff888009757840 RIP=ffffffff8135e914 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007effab1bf000 CR3=000000000b773000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=3a57572a4de4700800000000000ae988 XMM05=643903794490966c0000000000321230 XMM06=07c8bb74b6c04a4400000000003200e8 XMM07=fb795ef6d6577056000000000030fcb8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000