Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.847374] ------------[ cut here ]------------ [ 38.848268] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.850258] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.851715] Modules linked in: [ 38.852299] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.854262] Tainted: [W]=WARN [ 38.854858] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.856308] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.857226] 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 [ 38.860358] RSP: 0018:ffff888015fbfbc0 EFLAGS: 00010286 [ 38.861329] RAX: 0000000000000000 RBX: ffffed1002bf7f78 RCX: ffffffff813a4050 [ 38.862603] RDX: ffff888014bc5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.863869] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bf7f2f [ 38.865151] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.866412] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015fbfdf8 [ 38.867691] FS: 00007fb97d71d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.869119] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.870172] CR2: 00007ffce0629ef7 CR3: 000000001ae0e000 CR4: 0000000000350ef0 [ 38.871450] Call Trace: [ 38.871965] [ 38.872373] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.873303] ? __create_object+0x59/0x80 [ 38.874097] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.875069] __vmalloc_noprof+0x59/0x60 [ 38.875841] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.876745] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.877701] bpf_prog_alloc+0x39/0x200 [ 38.878402] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.879341] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.880262] do_seccomp+0x349/0x25e0 [ 38.881005] ? find_held_lock+0x2b/0x80 [ 38.881769] ? do_prlimit+0x310/0x610 [ 38.882472] ? __pfx_do_seccomp+0x10/0x10 [ 38.883253] ? do_raw_spin_unlock+0x53/0x220 [ 38.884095] ? _raw_spin_unlock+0x1e/0x40 [ 38.884900] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.885867] ? static_key_count+0x60/0x80 [ 38.886680] prctl_set_seccomp+0x4e/0x70 [ 38.887422] __do_sys_prctl+0xe6c/0x1d70 [ 38.888211] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.889081] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.890044] ? irqentry_exit+0xf3/0x650 [ 38.890823] do_syscall_64+0xbf/0x430 [ 38.891525] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.892494] RIP: 0033:0x7fb97dc0f5cd [ 38.893206] 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 [ 38.896367] RSP: 002b:00007ffce0627780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.897714] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb97dc0f5cd [ 38.898789] RDX: 000055b01cd0de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.899864] RBP: 00007ffce06277e0 R08: 0000000000000000 R09: 00007ffce0626e80 [ 38.900945] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b03fd15b10 [ 38.902023] R13: 00007ffce0627c10 R14: 000055b03fd162b0 R15: 000055b03fd2a6f0 [ 38.903113] [ 38.903470] irq event stamp: 1767 [ 38.904017] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 38.905295] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 38.906567] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 38.907869] softirqs last disabled at (1741): [] __irq_exit_rcu+0xc4/0x100 [ 38.909142] ---[ end trace 0000000000000000 ]--- [ 42.065363] ------------[ cut here ]------------ [ 42.066335] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.068509] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.070073] Modules linked in: [ 42.070728] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.072852] Tainted: [W]=WARN [ 42.073433] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.074962] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.075914] 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 [ 42.079282] RSP: 0018:ffff888018b4fbc0 EFLAGS: 00010286 [ 42.080309] RAX: 0000000000000000 RBX: ffffed1003169f78 RCX: ffffffff813a4050 [ 42.081712] RDX: ffff88800f48d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.083074] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003169f2f [ 42.084418] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.085809] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018b4fdf8 [ 42.087166] FS: 00007fe5cc113900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.088717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.089837] CR2: 00007fe5cc605580 CR3: 000000001f504000 CR4: 0000000000350ef0 [ 42.091200] Call Trace: [ 42.091733] [ 42.092167] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.093151] ? __create_object+0x59/0x80 [ 42.093975] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.095001] __vmalloc_noprof+0x59/0x60 [ 42.095827] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.096793] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.097775] bpf_prog_alloc+0x39/0x200 [ 42.098509] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.099492] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.100454] do_seccomp+0x349/0x25e0 [ 42.101289] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.102248] ? __pfx_do_seccomp+0x10/0x10 [ 42.103082] ? find_held_lock+0x2b/0x80 [ 42.103892] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.104969] ? static_key_count+0x60/0x80 [ 42.105827] prctl_set_seccomp+0x4e/0x70 [ 42.106651] __do_sys_prctl+0xe6c/0x1d70 [ 42.107449] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.108354] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.109415] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.110439] ? irqentry_exit+0xf3/0x650 [ 42.111248] do_syscall_64+0xbf/0x430 [ 42.112044] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.113098] RIP: 0033:0x7fe5cc6055cd [ 42.113845] 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 [ 42.117279] RSP: 002b:00007ffcce372f60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.118753] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5cc6055cd [ 42.120123] RDX: 0000556faf3fde00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.121551] RBP: 00007ffcce372fc0 R08: 0000000000000000 R09: 00007ffcce372660 [ 42.122928] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556fcb411ad0 [ 42.124304] R13: 00007ffcce3733f0 R14: 0000556fcb412bc0 R15: 0000556fcb423780 [ 42.125722] [ 42.126118] irq event stamp: 1725 [ 42.126726] hardirqs last enabled at (1735): [] __up_console_sem+0x78/0x80 [ 42.128149] hardirqs last disabled at (1744): [] __up_console_sem+0x5d/0x80 [ 42.129597] softirqs last enabled at (1694): [] handle_softirqs+0x50c/0x770 [ 42.131043] softirqs last disabled at (1689): [] __irq_exit_rcu+0xc4/0x100 [ 42.132477] ---[ end trace 0000000000000000 ]--- [ 42.955356] ------------[ cut here ]------------ [ 42.956307] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.958297] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.959757] Modules linked in: [ 42.960337] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.962355] Tainted: [W]=WARN [ 42.962955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.964404] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.965305] 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 [ 42.968423] RSP: 0018:ffff88801752fbc0 EFLAGS: 00010286 [ 42.969406] RAX: 0000000000000000 RBX: ffffed1002ea5f78 RCX: ffffffff813a4050 [ 42.970673] RDX: ffff888019581bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.971926] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea5f2f [ 42.973204] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.974468] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801752fdf8 [ 42.975767] FS: 00007f8d424b4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.977191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.978238] CR2: 00007f8d429a6580 CR3: 000000001ecd8000 CR4: 0000000000350ef0 [ 42.979504] Call Trace: [ 42.979996] [ 42.980404] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.981301] ? __create_object+0x59/0x80 [ 42.982082] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.983028] __vmalloc_noprof+0x59/0x60 [ 42.983772] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.984654] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.985573] bpf_prog_alloc+0x39/0x200 [ 42.986255] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.987172] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.988072] do_seccomp+0x349/0x25e0 [ 42.988805] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.989708] ? __pfx_do_seccomp+0x10/0x10 [ 42.990450] ? find_held_lock+0x2b/0x80 [ 42.991190] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.992134] ? static_key_count+0x60/0x80 [ 42.992943] prctl_set_seccomp+0x4e/0x70 [ 42.993721] __do_sys_prctl+0xe6c/0x1d70 [ 42.994452] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.995318] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.996300] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.997279] ? irqentry_exit+0xf3/0x650 [ 42.998035] do_syscall_64+0xbf/0x430 [ 42.998796] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.999741] RIP: 0033:0x7f8d429a65cd [ 43.000388] 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 [ 43.003548] RSP: 002b:00007fffbd283470 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.004906] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d429a65cd [ 43.006183] RDX: 0000557269d77e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.007458] RBP: 00007fffbd2834d0 R08: 0000000000000000 R09: 00007fffbd282b70 [ 43.008778] R10: 0000000000000000 R11: 0000000000000246 R12: 00005572a14ca2b0 [ 43.010056] R13: 00007fffbd283900 R14: 00005572a14ccd20 R15: 00005572a14de8d0 [ 43.011346] [ 43.011799] irq event stamp: 1705 [ 43.012397] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 43.013969] hardirqs last disabled at (1722): [] __up_console_sem+0x5d/0x80 [ 43.015480] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 43.017035] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 43.018561] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:63697' (ECDSA) to the list of known hosts. 2025/11/19 04:05:53 fuzzer started 2025/11/19 04:05:53 dialing manager at localhost:34383 2025/11/19 04:05:53 checking machine... 2025/11/19 04:05:53 checking revisions... [ 43.933223] kmemleak: Automatic memory scanning thread ended 2025/11/19 04:05:53 testing simple program... [ 44.017966] cgroup: Unknown subsys name 'net' [ 44.066291] cgroup: Unknown subsys name 'cpuset' [ 44.079318] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 04:05:52 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888014bcff30 RCX=ffff888014bcf1bc RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff888014bd8a58 RBP=ffff888014bd8000 RSP=ffff888014bcf1c8 R8 =0000000000000001 R9 =ffff888014bcf2a8 R10=000000000003c9ed R11=000000000009a8b8 R12=ffff888014bcf201 R13=ffff888014bcf2b0 R14=ffff888014bcff00 R15=ffff888014bcf268 RIP=ffffffff815d2b34 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 00007f47d112a900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000556fcb40e218 CR3=000000000d94c000 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=4e8ef1e1f257356300000000000ae988 XMM05=7212dd33fb53a0600000000000324570 XMM06=d96330e2d2db863200000000003226b8 XMM07=fb795ef6d65770560000000000312cd8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000005 RBX=ffff88800f285340 RCX=0000000000000000 RDX=0000000000000005 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff88800f285d98 RSP=ffff888016eff7d8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff88800f285d98 R13=0000000000000003 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff81527119 RFL=00000007 [-----PC] 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 00007fe5cc113900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffcce36d000 CR3=000000001eee1000 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