[ 38.963894] ------------[ cut here ]------------ [ 38.964676] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.966362] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 38.967600] Modules linked in: [ 38.968106] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.969955] Tainted: [W]=WARN [ 38.970419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.971714] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.972440] 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 [ 38.975092] RSP: 0018:ffff888015ab7bc0 EFLAGS: 00010286 [ 38.975924] RAX: 0000000000000000 RBX: ffffed1002b56f78 RCX: ffffffff813a4050 [ 38.976989] RDX: ffff88800ef60000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.978062] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b56f2f [ 38.979128] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.980203] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015ab7df8 [ 38.981297] FS: 00007fe890d87900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.982500] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.983397] CR2: 00007ffdc6cd4ef7 CR3: 000000000d84d000 CR4: 0000000000350ef0 [ 38.984475] Call Trace: [ 38.984891] [ 38.985230] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.985990] ? __create_object+0x59/0x80 [ 38.986641] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.987428] __vmalloc_noprof+0x59/0x60 [ 38.988059] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.988787] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.989522] bpf_prog_alloc+0x39/0x200 [ 38.990135] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.990911] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.991672] do_seccomp+0x349/0x25e0 [ 38.992233] ? find_held_lock+0x2b/0x80 [ 38.992864] ? do_prlimit+0x310/0x610 [ 38.993444] ? __pfx_do_seccomp+0x10/0x10 [ 38.994094] ? do_raw_spin_unlock+0x53/0x220 [ 38.994791] ? _raw_spin_unlock+0x1e/0x40 [ 38.995412] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.996223] ? static_key_count+0x60/0x80 [ 38.996894] prctl_set_seccomp+0x4e/0x70 [ 38.997505] __do_sys_prctl+0xe6c/0x1d70 [ 38.998157] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.998876] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.999696] ? irqentry_exit+0xf3/0x650 [ 39.000299] do_syscall_64+0xbf/0x430 [ 39.000915] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.001707] RIP: 0033:0x7fe8912795cd [ 39.002258] 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 [ 39.004901] RSP: 002b:00007ffdc6cd3050 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.006035] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe8912795cd [ 39.007106] RDX: 000055d9b3a04e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.008215] RBP: 00007ffdc6cd30b0 R08: 0000000000000000 R09: 00007ffdc6cd2750 [ 39.009287] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d9dc3a8ad0 [ 39.010351] R13: 00007ffdc6cd34e0 R14: 000055d9dc3a9bc0 R15: 000055d9dc3ba780 [ 39.011440] [ 39.011825] irq event stamp: 3153 [ 39.012336] hardirqs last enabled at (3161): [] __up_console_sem+0x78/0x80 [ 39.013602] hardirqs last disabled at (3170): [] __up_console_sem+0x5d/0x80 [ 39.014869] softirqs last enabled at (3110): [] handle_softirqs+0x50c/0x770 [ 39.016160] softirqs last disabled at (3101): [] __irq_exit_rcu+0xc4/0x100 [ 39.017420] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.992977] ------------[ cut here ]------------ [ 41.993913] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.996319] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.997772] Modules linked in: [ 41.998355] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.000614] Tainted: [W]=WARN [ 42.001165] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.002936] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.003854] 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 [ 42.006996] RSP: 0018:ffff88801620fbc0 EFLAGS: 00010286 [ 42.007976] RAX: 0000000000000000 RBX: ffffed1002c41f78 RCX: ffffffff813a4050 [ 42.009264] RDX: ffff888013f90000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.010539] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c41f2f [ 42.011851] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.013151] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801620fdf8 [ 42.014447] FS: 00007ff8e4f9b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.015904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.016964] CR2: 00007ffdba81fef7 CR3: 000000001fbb4000 CR4: 0000000000350ef0 [ 42.018258] Call Trace: [ 42.018749] [ 42.019162] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.020084] ? __create_object+0x59/0x80 [ 42.020884] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.021875] __vmalloc_noprof+0x59/0x60 [ 42.022639] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.023489] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.024431] bpf_prog_alloc+0x39/0x200 [ 42.025173] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.026098] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.027012] do_seccomp+0x349/0x25e0 [ 42.027742] ? find_held_lock+0x2b/0x80 [ 42.028455] ? do_prlimit+0x310/0x610 [ 42.029191] ? __pfx_do_seccomp+0x10/0x10 [ 42.029969] ? do_raw_spin_unlock+0x53/0x220 [ 42.030793] ? _raw_spin_unlock+0x1e/0x40 [ 42.031544] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.032518] ? static_key_count+0x60/0x80 [ 42.033329] prctl_set_seccomp+0x4e/0x70 [ 42.034109] __do_sys_prctl+0xe6c/0x1d70 [ 42.034894] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.035766] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.036739] ? irqentry_exit+0xf3/0x650 [ 42.037456] do_syscall_64+0xbf/0x430 [ 42.038195] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.039125] RIP: 0033:0x7ff8e548d5cd [ 42.039862] 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 [ 42.043054] RSP: 002b:00007ffdba81d890 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.044446] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff8e548d5cd [ 42.045758] RDX: 0000555645ed9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.047024] RBP: 00007ffdba81d8f0 R08: 0000000000000000 R09: 00007ffdba81cf90 [ 42.048318] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555659d3c2b0 [ 42.049633] R13: 00007ffdba81dd20 R14: 0000555659d3ed20 R15: 0000555659d508d0 [ 42.050925] [ 42.051373] irq event stamp: 1837 [ 42.052030] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 42.053579] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 42.055098] softirqs last enabled at (1644): [] handle_softirqs+0x50c/0x770 [ 42.056673] softirqs last disabled at (1877): [] __irq_exit_rcu+0xc4/0x100 [ 42.058178] ---[ end trace 0000000000000000 ]--- [ 42.921880] ------------[ cut here ]------------ [ 42.922769] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.924500] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.925747] Modules linked in: [ 42.926253] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.927916] Tainted: [W]=WARN [ 42.928386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.929614] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.930343] 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 [ 42.933001] RSP: 0018:ffff888015df7bc0 EFLAGS: 00010286 [ 42.933836] RAX: 0000000000000000 RBX: ffffed1002bbef78 RCX: ffffffff813a4050 [ 42.934920] RDX: ffff8880185f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.936001] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bbef2f [ 42.937074] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.938151] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015df7df8 [ 42.939244] FS: 00007fe728722900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.940434] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.941328] CR2: 00007fe728c14580 CR3: 000000000d9dc000 CR4: 0000000000350ef0 [ 42.942405] Call Trace: [ 42.942819] [ 42.943159] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.943922] ? __create_object+0x59/0x80 [ 42.944533] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.945333] __vmalloc_noprof+0x59/0x60 [ 42.945959] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.946681] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.947429] bpf_prog_alloc+0x39/0x200 [ 42.948033] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.948804] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.949520] do_seccomp+0x349/0x25e0 [ 42.950113] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.950858] ? __pfx_do_seccomp+0x10/0x10 [ 42.951485] ? find_held_lock+0x2b/0x80 [ 42.952164] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.952972] ? static_key_count+0x60/0x80 [ 42.953640] prctl_set_seccomp+0x4e/0x70 [ 42.954253] __do_sys_prctl+0xe6c/0x1d70 [ 42.954901] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.955620] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.956383] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.957181] ? irqentry_exit+0xf3/0x650 [ 42.957819] do_syscall_64+0xbf/0x430 [ 42.958400] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.959178] RIP: 0033:0x7fe728c145cd [ 42.960138] 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 [ 42.962883] RSP: 002b:00007ffd571e11b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.964027] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe728c145cd [ 42.965091] RDX: 00005617d9ddee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.966160] RBP: 00007ffd571e1210 R08: 0000000000000000 R09: 00007ffd571e08b0 [ 42.967204] R10: 0000000000000000 R11: 0000000000000246 R12: 000056180c9af2b0 [ 42.968273] R13: 00007ffd571e1640 R14: 000056180c9b1d20 R15: 000056180c9c38d0 [ 42.969345] [ 42.969739] irq event stamp: 1893 [ 42.970237] hardirqs last enabled at (1901): [] __up_console_sem+0x78/0x80 [ 42.971506] hardirqs last disabled at (1910): [] __up_console_sem+0x5d/0x80 [ 42.972774] softirqs last enabled at (1814): [] handle_softirqs+0x50c/0x770 [ 42.974053] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 42.975311] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:16840' (ECDSA) to the list of known hosts. 2025/11/17 15:05:07 fuzzer started 2025/11/17 15:05:07 dialing manager at localhost:37895 2025/11/17 15:05:07 checking machine... 2025/11/17 15:05:07 checking revisions... [ 43.861312] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:05:07 testing simple program... [ 43.949272] cgroup: Unknown subsys name 'net' [ 44.010386] cgroup: Unknown subsys name 'cpuset' [ 44.023189] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:05:06 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff8880e538f000 RCX=dfb8078e475e76a4 RDX=0000000000000000 RSI=000000008301a466 RDI=ffff88806ce31cd0 RBP=ffff88806ce08aa8 RSP=ffff88806ce089d0 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff88806ce08a98 R14=ffff8880186c1bc0 R15=ffff88806ce08a50 RIP=ffffffff815bcfc6 RFL=00000206 [-----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 00007ff8e4f9b900 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=00007ffdba817000 CR3=000000001fae0000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffffffff81bf817f RCX=ffff888015ab78b4 RDX=1ffff11002b56f37 RSI=ffffffff85e1ffe0 RDI=ffffffff81bf817f RBP=ffffffff81bf817f RSP=ffff888015ab7910 R8 =0000000000000001 R9 =ffff888015ab79a0 R10=000000000003c9ed R11=0000000000028e92 R12=0000000000000001 R13=0000000000000000 R14=ffff8880186c1bc0 R15=ffff888009462280 RIP=ffffffff81439c92 RFL=00000287 [--S--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 00007ff8e4f9b900 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=00007f0af7152040 CR3=000000001fae0000 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=563412feff00545000000000000080fe XMM01=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000