Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.325913] ------------[ cut here ]------------ [ 39.326839] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.328926] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 39.330480] Modules linked in: [ 39.331101] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.333079] Tainted: [W]=WARN [ 39.333629] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.335112] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.336011] 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 [ 39.339230] RSP: 0018:ffff88801765fbc0 EFLAGS: 00010286 [ 39.340201] RAX: 0000000000000000 RBX: ffffed1002ecbf78 RCX: ffffffff813a4050 [ 39.341474] RDX: ffff88800f9b1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.342762] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ecbf2f [ 39.344040] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.345318] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801765fdf8 [ 39.346625] FS: 00007f64d5b3d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.348071] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.349117] CR2: 00007fffaefa8ef8 CR3: 000000000d05f000 CR4: 0000000000350ef0 [ 39.350414] Call Trace: [ 39.350887] [ 39.351343] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.352244] ? __create_object+0x59/0x80 [ 39.353028] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.354003] __vmalloc_noprof+0x59/0x60 [ 39.354723] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.355590] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.356524] bpf_prog_alloc+0x39/0x200 [ 39.357258] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.358187] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.359117] do_seccomp+0x349/0x25e0 [ 39.359792] ? find_held_lock+0x2b/0x80 [ 39.360540] ? do_prlimit+0x310/0x610 [ 39.361290] ? __pfx_do_seccomp+0x10/0x10 [ 39.362076] ? do_raw_spin_unlock+0x53/0x220 [ 39.362887] ? _raw_spin_unlock+0x1e/0x40 [ 39.363667] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.364634] ? static_key_count+0x60/0x80 [ 39.365431] prctl_set_seccomp+0x4e/0x70 [ 39.366218] __do_sys_prctl+0xe6c/0x1d70 [ 39.367019] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.367839] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.368803] ? irqentry_exit+0xf3/0x650 [ 39.369557] do_syscall_64+0xbf/0x430 [ 39.370306] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.371248] RIP: 0033:0x7f64d602f5cd [ 39.371917] 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 [ 39.375114] RSP: 002b:00007fffaefa7e60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.376475] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64d602f5cd [ 39.377748] RDX: 000055719c777e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.379044] RBP: 00007fffaefa7ec0 R08: 0000000000000000 R09: 00007fffaefa7560 [ 39.380326] R10: 0000000000000000 R11: 0000000000000246 R12: 00005571d3426ad0 [ 39.381602] R13: 00007fffaefa82f0 R14: 00005571d3427bc0 R15: 00005571d3438780 [ 39.382910] [ 39.383367] irq event stamp: 1791 [ 39.384018] hardirqs last enabled at (1801): [] __up_console_sem+0x78/0x80 [ 39.385555] hardirqs last disabled at (1810): [] __up_console_sem+0x5d/0x80 [ 39.387087] softirqs last enabled at (1672): [] handle_softirqs+0x50c/0x770 [ 39.388616] softirqs last disabled at (1667): [] __irq_exit_rcu+0xc4/0x100 [ 39.390121] ---[ end trace 0000000000000000 ]--- [ 42.929001] ------------[ cut here ]------------ [ 42.929864] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.931868] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.933391] Modules linked in: [ 42.934035] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.935997] Tainted: [W]=WARN [ 42.936542] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.937998] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.938860] 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 [ 42.941992] RSP: 0018:ffff88801493fbc0 EFLAGS: 00010286 [ 42.942931] RAX: 0000000000000000 RBX: ffffed1002927f78 RCX: ffffffff813a4050 [ 42.944237] RDX: ffff88800f8d3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.945538] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002927f2f [ 42.946874] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.948138] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801493fdf8 [ 42.949397] FS: 00007f79848fb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.950831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.951870] CR2: 00007f7984e614a6 CR3: 000000000d30b000 CR4: 0000000000350ef0 [ 42.953146] Call Trace: [ 42.953603] [ 42.954053] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.954915] ? __create_object+0x59/0x80 [ 42.955688] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.956634] __vmalloc_noprof+0x59/0x60 [ 42.957375] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.958258] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.959218] bpf_prog_alloc+0x39/0x200 [ 42.959901] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.960822] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.961706] do_seccomp+0x349/0x25e0 [ 42.962424] ? find_held_lock+0x2b/0x80 [ 42.963178] ? do_prlimit+0x310/0x610 [ 42.963876] ? __pfx_do_seccomp+0x10/0x10 [ 42.964655] ? do_raw_spin_unlock+0x53/0x220 [ 42.965471] ? _raw_spin_unlock+0x1e/0x40 [ 42.966259] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.967226] ? static_key_count+0x60/0x80 [ 42.968014] prctl_set_seccomp+0x4e/0x70 [ 42.968739] __do_sys_prctl+0xe6c/0x1d70 [ 42.969510] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.970386] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.971334] ? irqentry_exit+0xf3/0x650 [ 42.972172] do_syscall_64+0xbf/0x430 [ 42.972860] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.973805] RIP: 0033:0x7f7984ded5cd [ 42.974518] 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 [ 42.977663] RSP: 002b:00007ffdbbdbc220 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.979032] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7984ded5cd [ 42.980307] RDX: 0000556f2522ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.981558] RBP: 00007ffdbbdbc280 R08: 0000000000000000 R09: 00007ffdbbdbb920 [ 42.982850] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556f598afb10 [ 42.984114] R13: 00007ffdbbdbc6b0 R14: 0000556f598b02b0 R15: 0000556f598c46f0 [ 42.985418] [ 42.985837] irq event stamp: 1743 [ 42.986501] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 42.988109] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 42.989614] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 42.991159] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 42.992663] ---[ end trace 0000000000000000 ]--- [ 43.799540] ------------[ cut here ]------------ [ 43.800493] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.802588] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.804066] Modules linked in: [ 43.804659] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.806672] Tainted: [W]=WARN [ 43.807319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.808791] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.809715] 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 [ 43.812919] RSP: 0018:ffff888017277bc0 EFLAGS: 00010286 [ 43.813884] RAX: 0000000000000000 RBX: ffffed1002e4ef78 RCX: ffffffff813a4050 [ 43.815191] RDX: ffff88800f9b3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.816494] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e4ef2f [ 43.817782] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.819103] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017277df8 [ 43.820408] FS: 00007fecac54e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.821856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.822941] CR2: 00007ffc45cc9ef8 CR3: 000000001f42e000 CR4: 0000000000350ef0 [ 43.824270] Call Trace: [ 43.824742] [ 43.825200] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.826099] ? __create_object+0x59/0x80 [ 43.826856] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.827848] __vmalloc_noprof+0x59/0x60 [ 43.828619] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.829500] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.830433] bpf_prog_alloc+0x39/0x200 [ 43.831173] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.832129] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.833044] do_seccomp+0x349/0x25e0 [ 43.833721] ? find_held_lock+0x2b/0x80 [ 43.834505] ? do_prlimit+0x310/0x610 [ 43.835251] ? __pfx_do_seccomp+0x10/0x10 [ 43.836039] ? do_raw_spin_unlock+0x53/0x220 [ 43.836817] ? _raw_spin_unlock+0x1e/0x40 [ 43.837595] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.838590] ? static_key_count+0x60/0x80 [ 43.839391] prctl_set_seccomp+0x4e/0x70 [ 43.840169] __do_sys_prctl+0xe6c/0x1d70 [ 43.840917] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.841803] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.842776] ? irqentry_exit+0xf3/0x650 [ 43.843549] do_syscall_64+0xbf/0x430 [ 43.844297] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.845247] RIP: 0033:0x7fecaca405cd [ 43.845919] 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 [ 43.849160] RSP: 002b:00007ffc45cc8550 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.850546] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fecaca405cd [ 43.851848] RDX: 000055cb20fbae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.853154] RBP: 00007ffc45cc85b0 R08: 0000000000000000 R09: 00007ffc45cc7c50 [ 43.854456] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cb3caa9b10 [ 43.855748] R13: 00007ffc45cc89e0 R14: 000055cb3caaa2b0 R15: 000055cb3cabe6f0 [ 43.857064] [ 43.857480] irq event stamp: 1775 [ 43.858131] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 43.859672] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 43.861228] softirqs last enabled at (1734): [] handle_softirqs+0x50c/0x770 [ 43.862804] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 43.864339] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:4564' (ECDSA) to the list of known hosts. 2025/11/17 11:22:30 fuzzer started 2025/11/17 11:22:30 dialing manager at localhost:37895 2025/11/17 11:22:30 checking machine... 2025/11/17 11:22:30 checking revisions... [ 44.794119] kmemleak: Automatic memory scanning thread ended 2025/11/17 11:22:31 testing simple program... [ 44.889011] cgroup: Unknown subsys name 'net' [ 44.955225] cgroup: Unknown subsys name 'cpuset' [ 44.970690] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 11:22:30 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff888009627bd0 RCX=ffff888009627794 RDX=0000000000000000 RSI=ffffffff85e1ffe0 RDI=ffff888009611fbc RBP=ffff888009611bc0 RSP=ffff8880096277a0 R8 =0000000000000001 R9 =ffff888009627880 R10=000000000003c9ed R11=00000000000255ec R12=ffff888009627801 R13=ffff888009627888 R14=ffff888009627bb8 R15=ffff888009627840 RIP=ffffffff815d29c0 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 fffffe3d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7c214b3000 CR3=000000000e29b000 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=1802a27446bbbb845a44345afd1147bd XMM02=00000000003026c8d59e07bde36eea69 XMM03=00000000003027f0ec2efd57dc4c00df XMM04=f8a592f76385888200000000000ae988 XMM05=fcec43b05cf6fca80000000000320d70 XMM06=474038aa6c007e1f000000000031ed70 XMM07=fb795ef6d6577056000000000030e448 XMM08=2c67c8bc2e329bc300000000003027f0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff8880174074f0 RCX=ffff88801740737c RDX=0000000000000000 RSI=ffffffff81b6283d RDI=ffff8880174074fc RBP=0000000000000005 RSP=ffff888017407408 R8 =0000000000000001 R9 =ffff888017407468 R10=000000000003c9ed R11=0000000000026728 R12=ffff8880174074f0 R13=0000000000000000 R14=ffff8880174ad340 R15=0000000000092cc0 RIP=ffffffff81619036 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 00007f79848fb900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdbbdb6000 CR3=000000000d1f7000 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