Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.097372] ------------[ cut here ]------------ [ 39.098283] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.100384] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.101911] Modules linked in: [ 39.102785] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.104852] Tainted: [W]=WARN [ 39.105526] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.107005] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.107934] 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 [ 39.111149] RSP: 0018:ffff88801a28fbc0 EFLAGS: 00010286 [ 39.112132] RAX: 0000000000000000 RBX: ffffed1003451f78 RCX: ffffffff813a4050 [ 39.113508] RDX: ffff888017128000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.114819] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003451f2f [ 39.116112] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.117471] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a28fdf8 [ 39.118778] FS: 00007ff8da5e7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.120231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.121352] CR2: 00007ffc21d7bef8 CR3: 000000000e2cd000 CR4: 0000000000350ef0 [ 39.122670] Call Trace: [ 39.123140] [ 39.123592] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.124520] ? __create_object+0x59/0x80 [ 39.125371] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.126356] __vmalloc_noprof+0x59/0x60 [ 39.127088] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.127953] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.128899] bpf_prog_alloc+0x39/0x200 [ 39.129714] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.130685] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.131596] do_seccomp+0x349/0x25e0 [ 39.132342] ? find_held_lock+0x2b/0x80 [ 39.133107] ? do_prlimit+0x310/0x610 [ 39.133876] ? __pfx_do_seccomp+0x10/0x10 [ 39.134675] ? do_raw_spin_unlock+0x53/0x220 [ 39.135520] ? _raw_spin_unlock+0x1e/0x40 [ 39.136316] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.137364] ? static_key_count+0x60/0x80 [ 39.138143] prctl_set_seccomp+0x4e/0x70 [ 39.138949] __do_sys_prctl+0xe6c/0x1d70 [ 39.139739] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.140614] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.141652] ? irqentry_exit+0xf3/0x650 [ 39.142427] do_syscall_64+0xbf/0x430 [ 39.143125] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.144079] RIP: 0033:0x7ff8daad95cd [ 39.144801] 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 [ 39.148062] RSP: 002b:00007ffc21d797b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.149515] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff8daad95cd [ 39.150821] RDX: 000055d2cd57be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.152200] RBP: 00007ffc21d79810 R08: 0000000000000000 R09: 00007ffc21d78eb0 [ 39.153544] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d2d46baad0 [ 39.154618] R13: 00007ffc21d79c40 R14: 000055d2d46bbbc0 R15: 000055d2d46cc780 [ 39.155717] [ 39.156074] irq event stamp: 1835 [ 39.156622] hardirqs last enabled at (1845): [] __up_console_sem+0x78/0x80 [ 39.157944] hardirqs last disabled at (1854): [] __up_console_sem+0x5d/0x80 [ 39.159234] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770 [ 39.160524] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 39.161835] ---[ end trace 0000000000000000 ]--- [ 42.394904] ------------[ cut here ]------------ [ 42.395826] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.398564] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.400237] Modules linked in: [ 42.401008] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.403220] Tainted: [W]=WARN [ 42.403785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.405302] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.406222] 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 [ 42.409390] RSP: 0018:ffff88800fe17bc0 EFLAGS: 00010286 [ 42.410666] RAX: 0000000000000000 RBX: ffffed1001fc2f78 RCX: ffffffff813a4050 [ 42.412211] RDX: ffff88800fcc5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.413695] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001fc2f2f [ 42.414969] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.416209] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800fe17df8 [ 42.417504] FS: 00007effdb6fa900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.418923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.419975] CR2: 00007ffe071b4ef8 CR3: 000000000b6e0000 CR4: 0000000000350ef0 [ 42.421278] Call Trace: [ 42.421917] [ 42.422378] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.423314] ? __create_object+0x59/0x80 [ 42.424259] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.425247] __vmalloc_noprof+0x59/0x60 [ 42.425965] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.426809] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.427871] bpf_prog_alloc+0x39/0x200 [ 42.428692] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.429712] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.430512] do_seccomp+0x349/0x25e0 [ 42.431070] ? find_held_lock+0x2b/0x80 [ 42.431692] ? do_prlimit+0x310/0x610 [ 42.432552] ? __pfx_do_seccomp+0x10/0x10 [ 42.433332] ? do_raw_spin_unlock+0x53/0x220 [ 42.434020] ? _raw_spin_unlock+0x1e/0x40 [ 42.434674] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.435663] ? static_key_count+0x60/0x80 [ 42.436324] prctl_set_seccomp+0x4e/0x70 [ 42.436927] __do_sys_prctl+0xe6c/0x1d70 [ 42.437591] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.438304] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.439349] ? irqentry_exit+0xf3/0x650 [ 42.440077] do_syscall_64+0xbf/0x430 [ 42.440787] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.441581] RIP: 0033:0x7effdbbec5cd [ 42.442211] 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 [ 42.445028] RSP: 002b:00007ffe071b3b80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.446146] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007effdbbec5cd [ 42.447225] RDX: 000056068768fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.448270] RBP: 00007ffe071b3be0 R08: 0000000000000000 R09: 00007ffe071b3280 [ 42.449417] R10: 0000000000000000 R11: 0000000000000246 R12: 000056068c540ad0 [ 42.450479] R13: 00007ffe071b4010 R14: 000056068c541bc0 R15: 000056068c552780 [ 42.451549] [ 42.451904] irq event stamp: 1859 [ 42.452465] hardirqs last enabled at (1877): [] __up_console_sem+0x78/0x80 [ 42.453748] hardirqs last disabled at (1886): [] __up_console_sem+0x5d/0x80 [ 42.455015] softirqs last enabled at (1874): [] handle_softirqs+0x50c/0x770 [ 42.456483] softirqs last disabled at (1867): [] __irq_exit_rcu+0xc4/0x100 [ 42.458006] ---[ end trace 0000000000000000 ]--- [ 43.226330] ------------[ cut here ]------------ [ 43.227323] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.229503] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.231119] Modules linked in: [ 43.231815] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.233947] Tainted: [W]=WARN [ 43.234597] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.236188] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.237116] 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 [ 43.240428] RSP: 0018:ffff888018c9fbc0 EFLAGS: 00010286 [ 43.241485] RAX: 0000000000000000 RBX: ffffed1003193f78 RCX: ffffffff813a4050 [ 43.242863] RDX: ffff888016105340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.244221] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003193f2f [ 43.245596] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.246959] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018c9fdf8 [ 43.248360] FS: 00007fce31c43900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.249913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.251048] CR2: 00007fce32135580 CR3: 000000000c164000 CR4: 0000000000350ef0 [ 43.252398] Call Trace: [ 43.252895] [ 43.253373] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.254321] ? __create_object+0x59/0x80 [ 43.255096] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.256139] __vmalloc_noprof+0x59/0x60 [ 43.256922] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.257853] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.258829] bpf_prog_alloc+0x39/0x200 [ 43.259598] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.260768] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.261917] do_seccomp+0x349/0x25e0 [ 43.262861] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.264026] ? __pfx_do_seccomp+0x10/0x10 [ 43.265058] ? find_held_lock+0x2b/0x80 [ 43.266021] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.267234] ? static_key_count+0x60/0x80 [ 43.268243] prctl_set_seccomp+0x4e/0x70 [ 43.269239] __do_sys_prctl+0xe6c/0x1d70 [ 43.270081] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.270977] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.271978] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.272993] ? irqentry_exit+0xf3/0x650 [ 43.273813] do_syscall_64+0xbf/0x430 [ 43.274577] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.275592] RIP: 0033:0x7fce321355cd [ 43.276353] 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 [ 43.279634] RSP: 002b:00007fff6dafae00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.281056] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce321355cd [ 43.282379] RDX: 0000561037ed4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.283714] RBP: 00007fff6dafae60 R08: 0000000000000000 R09: 00007fff6dafa500 [ 43.285064] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561051f33ad0 [ 43.286374] R13: 00007fff6dafb290 R14: 0000561051f34bc0 R15: 0000561051f45780 [ 43.287716] [ 43.288148] irq event stamp: 1823 [ 43.288830] hardirqs last enabled at (1833): [] __up_console_sem+0x78/0x80 [ 43.290396] hardirqs last disabled at (1842): [] __up_console_sem+0x5d/0x80 [ 43.291953] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 43.293520] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 43.294891] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:10191' (ECDSA) to the list of known hosts. 2025/11/17 09:16:51 fuzzer started 2025/11/17 09:16:52 dialing manager at localhost:37895 2025/11/17 09:16:52 checking machine... 2025/11/17 09:16:52 checking revisions... [ 44.441708] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:16:52 testing simple program... [ 44.511633] cgroup: Unknown subsys name 'net' [ 44.581676] cgroup: Unknown subsys name 'cpuset' [ 44.602745] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 09:16:51 Registers: info registers vcpu 0 RAX=ffffffff84c6d84d RBX=ffffffff81618fa0 RCX=ffff88806ce089c4 RDX=1ffff1100d9c1159 RSI=ffffffff84c6d84d RDI=ffff88806ce08b38 RBP=ffff88806ce08b08 RSP=ffff88806ce08a68 R8 =ffffffff86a0ba38 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000089b8 R12=ffff88806ce08b38 R13=0000000000000000 R14=ffffffff85c2ca00 R15=ffff888008c4b780 RIP=ffffffff81618fa4 RFL=00000286 [--S--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 fffffe5e00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeee2b7e38 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=00007ff59c0aa5100000557912ea9790 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 info registers vcpu 1 RAX=0000000000000000 RBX=0000000000000001 RCX=ffffffff81ab1612 RDX=000000000000ab17 RSI=000000000000ab16 RDI=ffffffff86eee630 RBP=ffff888013b5f910 RSP=ffff888013b5f848 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000023cd8 R12=ffff888013b5f918 R13=ffff888013b5f900 R14=ffff888013b5f8f9 R15=ffff888013b5f8b8 RIP=ffffffff8135e651 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 00007effdb6fa900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007effdbcaf650 CR3=000000001f698000 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=000000000000000000ffff0000000000 XMM02=2f00646f6874656d5f74707972636e65 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ff00ffffffffffffffffffffffffffff XMM08=20002020202020200020202020202020 XMM09=0000ffffffffffffffffffffffffffff XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000