[ 38.993827] ------------[ cut here ]------------ [ 38.994885] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.996973] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.998403] Modules linked in: [ 38.999030] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.001011] Tainted: [W]=WARN [ 39.001558] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.003005] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.003867] 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 [ 39.007043] RSP: 0018:ffff88801795fbc0 EFLAGS: 00010286 [ 39.008009] RAX: 0000000000000000 RBX: ffffed1002f2bf78 RCX: ffffffff813a4050 [ 39.009310] RDX: ffff88801876d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.010600] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f2bf2f [ 39.011875] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.013174] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801795fdf8 [ 39.014453] FS: 00007f434e1fa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.015870] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.016973] CR2: 00007fff130bfef7 CR3: 000000000be90000 CR4: 0000000000350ef0 [ 39.018238] Call Trace: [ 39.018694] [ 39.019133] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.020035] ? __create_object+0x59/0x80 [ 39.020800] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.021775] __vmalloc_noprof+0x59/0x60 [ 39.022522] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.023368] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.024304] bpf_prog_alloc+0x39/0x200 [ 39.025070] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.026005] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.026846] do_seccomp+0x349/0x25e0 [ 39.027561] ? find_held_lock+0x2b/0x80 [ 39.028309] ? do_prlimit+0x310/0x610 [ 39.029099] ? __pfx_do_seccomp+0x10/0x10 [ 39.029831] ? do_raw_spin_unlock+0x53/0x220 [ 39.030660] ? _raw_spin_unlock+0x1e/0x40 [ 39.031442] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.032412] ? static_key_count+0x60/0x80 [ 39.033248] prctl_set_seccomp+0x4e/0x70 [ 39.034027] __do_sys_prctl+0xe6c/0x1d70 [ 39.034759] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.035617] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.036614] ? irqentry_exit+0xf3/0x650 [ 39.037390] do_syscall_64+0xbf/0x430 [ 39.038140] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.039099] RIP: 0033:0x7f434e6ec5cd [ 39.039748] 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 [ 39.042939] RSP: 002b:00007fff130be460 EFLAGS: 00000246 ORIG_RAX: 000000000000009d Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.045577] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f434e6ec5cd [ 39.046835] RDX: 000055de163cfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.048117] RBP: 00007fff130be4c0 R08: 0000000000000000 R09: 00007fff130bdb60 [ 39.049441] R10: 0000000000000000 R11: 0000000000000246 R12: 000055de2d194bf0 [ 39.050706] R13: 00007fff130be8f0 R14: 000055de2d19e380 R15: 000055de2d1a9460 [ 39.052007] [ 39.052447] irq event stamp: 1865 [ 39.053113] hardirqs last enabled at (1875): [] __up_console_sem+0x78/0x80 [ 39.054628] hardirqs last disabled at (1884): [] __up_console_sem+0x5d/0x80 [ 39.056137] softirqs last enabled at (1690): [] handle_softirqs+0x50c/0x770 [ 39.057670] softirqs last disabled at (1675): [] __irq_exit_rcu+0xc4/0x100 [ 39.058938] ---[ end trace 0000000000000000 ]--- [ 42.688008] ------------[ cut here ]------------ [ 42.688873] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.691039] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/243 [ 42.692484] Modules linked in: [ 42.693118] CPU: 0 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.695084] Tainted: [W]=WARN [ 42.695633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.697113] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.698004] 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 [ 42.701145] RSP: 0018:ffff8880179bfbc0 EFLAGS: 00010286 [ 42.702108] RAX: 0000000000000000 RBX: ffffed1002f37f78 RCX: ffffffff813a4050 [ 42.703375] RDX: ffff88801740d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.704651] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f37f2f [ 42.705933] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.707203] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880179bfdf8 [ 42.708493] FS: 00007fb35c373900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.709938] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.710982] CR2: 00007fb35c865580 CR3: 000000001fcdc000 CR4: 0000000000350ef0 [ 42.712259] Call Trace: [ 42.712726] [ 42.713165] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.714050] ? __create_object+0x59/0x80 [ 42.714778] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.715737] __vmalloc_noprof+0x59/0x60 [ 42.716487] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.717347] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.718284] bpf_prog_alloc+0x39/0x200 [ 42.719017] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.719887] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.720788] do_seccomp+0x349/0x25e0 [ 42.721502] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.722402] ? __pfx_do_seccomp+0x10/0x10 [ 42.723186] ? find_held_lock+0x2b/0x80 [ 42.723895] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.724859] ? static_key_count+0x60/0x80 [ 42.725655] prctl_set_seccomp+0x4e/0x70 [ 42.726434] __do_sys_prctl+0xe6c/0x1d70 [ 42.727196] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.728042] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.729018] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.729985] ? irqentry_exit+0xf3/0x650 [ 42.730704] do_syscall_64+0xbf/0x430 [ 42.731433] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.732380] RIP: 0033:0x7fb35c8655cd [ 42.733099] 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 [ 42.736248] RSP: 002b:00007ffe54e503e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.737615] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb35c8655cd [ 42.738879] RDX: 00005640d3447e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.740146] RBP: 00007ffe54e50440 R08: 0000000000000000 R09: 00007ffe54e4fae0 [ 42.741428] R10: 0000000000000000 R11: 0000000000000246 R12: 00005640e6d51ad0 [ 42.742713] R13: 00007ffe54e50870 R14: 00005640e6d52bc0 R15: 00005640e6d63780 [ 42.743992] [ 42.744409] irq event stamp: 1729 [ 42.745096] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 42.746616] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 42.748129] softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 [ 42.749669] softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100 [ 42.751169] ---[ end trace 0000000000000000 ]--- [ 43.585303] ------------[ cut here ]------------ [ 43.586257] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.588276] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 43.589784] Modules linked in: [ 43.590467] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.592466] Tainted: [W]=WARN [ 43.593115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.594582] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.595496] 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 [ 43.598704] RSP: 0018:ffff888016e7fbc0 EFLAGS: 00010286 [ 43.599689] RAX: 0000000000000000 RBX: ffffed1002dcff78 RCX: ffffffff813a4050 [ 43.600996] RDX: ffff888017e00000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.602290] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002dcff2f [ 43.603574] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.604939] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016e7fdf8 [ 43.606241] FS: 00007f5994504900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.607669] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.608781] CR2: 00007f59949f6580 CR3: 000000001fe5f000 CR4: 0000000000350ef0 [ 43.610061] Call Trace: [ 43.610524] [ 43.610970] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.611826] ? __create_object+0x59/0x80 [ 43.612651] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.613622] __vmalloc_noprof+0x59/0x60 [ 43.614374] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.615249] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.616186] bpf_prog_alloc+0x39/0x200 [ 43.616971] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.617870] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.618767] do_seccomp+0x349/0x25e0 [ 43.619492] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.620404] ? __pfx_do_seccomp+0x10/0x10 [ 43.621245] ? find_held_lock+0x2b/0x80 [ 43.622003] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.622968] ? static_key_count+0x60/0x80 [ 43.623727] prctl_set_seccomp+0x4e/0x70 [ 43.624535] __do_sys_prctl+0xe6c/0x1d70 [ 43.625326] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.626197] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.627176] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.628135] ? irqentry_exit+0xf3/0x650 [ 43.628907] do_syscall_64+0xbf/0x430 [ 43.629659] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.630621] RIP: 0033:0x7f59949f65cd [ 43.631328] 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 [ 43.634567] RSP: 002b:00007ffebe6a6670 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.635953] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f59949f65cd [ 43.637273] RDX: 000055b7f18b4e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.638554] RBP: 00007ffebe6a66d0 R08: 0000000000000000 R09: 00007ffebe6a5d70 [ 43.639841] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b82a1672b0 [ 43.641174] R13: 00007ffebe6a6b00 R14: 000055b82a169d20 R15: 000055b82a17b8d0 [ 43.642478] [ 43.642905] irq event stamp: 1759 [ 43.643560] hardirqs last enabled at (1769): [] __up_console_sem+0x78/0x80 [ 43.645115] hardirqs last disabled at (1778): [] __up_console_sem+0x5d/0x80 [ 43.646631] softirqs last enabled at (1682): [] handle_softirqs+0x50c/0x770 [ 43.648218] softirqs last disabled at (1677): [] __irq_exit_rcu+0xc4/0x100 [ 43.649783] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:59585' (ECDSA) to the list of known hosts. 2025/11/17 21:22:35 fuzzer started 2025/11/17 21:22:35 dialing manager at localhost:37895 2025/11/17 21:22:35 checking machine... 2025/11/17 21:22:35 checking revisions... [ 44.559109] kmemleak: Automatic memory scanning thread ended 2025/11/17 21:22:35 testing simple program... [ 44.655584] cgroup: Unknown subsys name 'net' [ 44.717830] cgroup: Unknown subsys name 'cpuset' [ 44.730001] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 21:22:34 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=ffff8880e538f000 RCX=0000000000000002 RDX=0000000000000000 RSI=0000000000000000 RDI=ffff88806ce31cd0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08958 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a50 RIP=ffffffff815bcfc4 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 00007fb35c373900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe54e4a000 CR3=000000001d40f000 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=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 info registers vcpu 1 RAX=0000000000000000 RBX=1ffff11002c85fb8 RCX=ffffffff81b76856 RDX=ffff88801512b780 RSI=fffffffffffff000 RDI=0000000000000007 RBP=ffff888017b06600 RSP=ffff88801642fdb8 R8 =0000000000000001 R9 =0000000000000001 R10=fffffffffffffffe R11=0000000000000000 R12=0000000000000012 R13=fffffffffffffffe R14=00000000ffffff9c R15=dffffc0000000000 RIP=ffffffff81751c74 RFL=00000202 [-------] 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 00007fd83b1d6900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005640e6dbc000 CR3=00000000170c0000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=a5b21bbbfef84cf200000000000ae988 XMM05=3b2678156713e6e20000000000322410 XMM06=14648eaa1277bab10000000000320b08 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000