[ 39.257032] ------------[ cut here ]------------ [ 39.257761] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.259464] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/239 [ 39.260686] Modules linked in: [ 39.261208] CPU: 0 UID: 104 PID: 239 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.262894] Tainted: [W]=WARN [ 39.263360] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.264593] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.265352] 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 [ 39.267989] RSP: 0018:ffff88800e197bc0 EFLAGS: 00010286 [ 39.268778] RAX: 0000000000000000 RBX: ffffed1001c32f78 RCX: ffffffff813a4050 [ 39.269872] RDX: ffff88800f80b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.270937] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c32f2f [ 39.272001] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.273089] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e197df8 [ 39.274165] FS: 00007f52cbbc8900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.275373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.276254] CR2: 00007ffc2997def7 CR3: 000000000e5cb000 CR4: 0000000000350ef0 [ 39.277329] Call Trace: [ 39.277721] [ 39.278102] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.278858] ? __create_object+0x59/0x80 [ 39.279478] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.280300] __vmalloc_noprof+0x59/0x60 [ 39.280926] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.281613] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.282391] bpf_prog_alloc+0x39/0x200 [ 39.283001] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.283733] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.284510] do_seccomp+0x349/0x25e0 [ 39.285119] ? find_held_lock+0x2b/0x80 [ 39.285716] ? do_prlimit+0x310/0x610 [ 39.286333] ? __pfx_do_seccomp+0x10/0x10 [ 39.286990] ? do_raw_spin_unlock+0x53/0x220 [ 39.287650] ? _raw_spin_unlock+0x1e/0x40 [ 39.288306] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.289103] ? static_key_count+0x60/0x80 [ 39.289731] prctl_set_seccomp+0x4e/0x70 [ 39.290374] __do_sys_prctl+0xe6c/0x1d70 [ 39.291022] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.291718] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.292543] ? irqentry_exit+0xf3/0x650 [ 39.293166] do_syscall_64+0xbf/0x430 [ 39.293753] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.294541] RIP: 0033:0x7f52cc0ba5cd [ 39.295137] 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 [ 39.297797] RSP: 002b:00007ffc2997bf80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.298951] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52cc0ba5cd [ 39.300029] RDX: 0000556387320e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.301110] RBP: 00007ffc2997bfe0 R08: 0000000000000000 R09: 00007ffc2997b680 [ 39.302180] R10: 0000000000000000 R11: 0000000000000246 R12: 00005563a9df0ad0 [ 39.303244] R13: 00007ffc2997c410 R14: 00005563a9df1bc0 R15: 00005563a9e02780 [ 39.304333] [ 39.304685] irq event stamp: 1749 [ 39.305213] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 39.306480] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 39.307736] softirqs last enabled at (1510): [] handle_softirqs+0x50c/0x770 [ 39.309055] softirqs last disabled at (1505): [] __irq_exit_rcu+0xc4/0x100 [ 39.310302] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.396626] ------------[ cut here ]------------ [ 42.397151] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.398090] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.398739] Modules linked in: [ 42.399029] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.399944] Tainted: [W]=WARN [ 42.400199] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.400874] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.401271] 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 [ 42.402732] RSP: 0018:ffff8880178afbc0 EFLAGS: 00010286 [ 42.403179] RAX: 0000000000000000 RBX: ffffed1002f15f78 RCX: ffffffff813a4050 [ 42.403750] RDX: ffff88800f809bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.404347] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f15f2f [ 42.404931] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.405497] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880178afdf8 [ 42.406083] FS: 00007f69c5a85900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.406721] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.407203] CR2: 00007f69c5f77580 CR3: 00000000142c8000 CR4: 0000000000350ef0 [ 42.407769] Call Trace: [ 42.407996] [ 42.408187] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.408586] ? __create_object+0x59/0x80 [ 42.409411] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.409862] __vmalloc_noprof+0x59/0x60 [ 42.410191] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.410568] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.410994] bpf_prog_alloc+0x39/0x200 [ 42.411312] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.411715] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.412132] do_seccomp+0x349/0x25e0 [ 42.412448] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.412860] ? __pfx_do_seccomp+0x10/0x10 [ 42.413204] ? find_held_lock+0x2b/0x80 [ 42.413532] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.413968] ? static_key_count+0x60/0x80 [ 42.414311] prctl_set_seccomp+0x4e/0x70 [ 42.414643] __do_sys_prctl+0xe6c/0x1d70 [ 42.415005] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.415376] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.415790] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.416225] ? irqentry_exit+0xf3/0x650 [ 42.416562] do_syscall_64+0xbf/0x430 [ 42.416896] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.417309] RIP: 0033:0x7f69c5f775cd [ 42.417607] 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 [ 42.419052] RSP: 002b:00007ffc3df63110 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.419653] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69c5f775cd [ 42.420238] RDX: 000055fa354b8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.420832] RBP: 00007ffc3df63170 R08: 0000000000000000 R09: 00007ffc3df62810 [ 42.421397] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fa4b3c2ad0 [ 42.421984] R13: 00007ffc3df635a0 R14: 000055fa4b3c3bc0 R15: 000055fa4b3d4780 [ 42.422557] [ 42.422750] irq event stamp: 1977 [ 42.423049] hardirqs last enabled at (1987): [] __up_console_sem+0x78/0x80 [ 42.423721] hardirqs last disabled at (1994): [] __up_console_sem+0x5d/0x80 [ 42.424423] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 42.425122] softirqs last disabled at (1603): [] __irq_exit_rcu+0xc4/0x100 [ 42.425795] ---[ end trace 0000000000000000 ]--- [ 43.223723] ------------[ cut here ]------------ [ 43.224659] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.226709] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/254 [ 43.228180] Modules linked in: [ 43.228787] CPU: 0 UID: 104 PID: 254 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.230871] Tainted: [W]=WARN [ 43.231419] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.232898] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.233767] 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 [ 43.236962] RSP: 0018:ffff88800f747bc0 EFLAGS: 00010286 [ 43.237950] RAX: 0000000000000000 RBX: ffffed1001ee8f78 RCX: ffffffff813a4050 [ 43.239232] RDX: ffff88800f161bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.240540] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ee8f2f [ 43.241843] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.243140] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f747df8 [ 43.244430] FS: 00007f2aacd24900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.245896] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.246977] CR2: 00007f2aad216580 CR3: 0000000009c92000 CR4: 0000000000350ef0 [ 43.248258] Call Trace: [ 43.248741] [ 43.249204] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.250104] ? __create_object+0x59/0x80 [ 43.250913] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.251874] __vmalloc_noprof+0x59/0x60 [ 43.252599] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.253461] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.254392] bpf_prog_alloc+0x39/0x200 [ 43.255131] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.256059] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.256986] do_seccomp+0x349/0x25e0 [ 43.257674] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.258561] ? __pfx_do_seccomp+0x10/0x10 [ 43.259341] ? find_held_lock+0x2b/0x80 [ 43.260105] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.261103] ? static_key_count+0x60/0x80 [ 43.261923] prctl_set_seccomp+0x4e/0x70 [ 43.262653] __do_sys_prctl+0xe6c/0x1d70 [ 43.263440] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.264312] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.265292] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.266276] ? irqentry_exit+0xf3/0x650 [ 43.267045] do_syscall_64+0xbf/0x430 [ 43.267745] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.268717] RIP: 0033:0x7f2aad2165cd [ 43.269410] 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 [ 43.272584] RSP: 002b:00007ffc49579b60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.273941] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f2aad2165cd [ 43.275227] RDX: 00005647e1f5de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.276521] RBP: 00007ffc49579bc0 R08: 0000000000000000 R09: 00007ffc49579260 [ 43.277793] R10: 0000000000000000 R11: 0000000000000246 R12: 000056480934e240 [ 43.279099] R13: 00007ffc49579ff0 R14: 000056480934dbf0 R15: 00005648093624d0 [ 43.280423] [ 43.280882] irq event stamp: 1757 [ 43.281489] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 43.283003] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 43.284522] softirqs last enabled at (1598): [] handle_softirqs+0x50c/0x770 [ 43.286072] softirqs last disabled at (1593): [] __irq_exit_rcu+0xc4/0x100 [ 43.287588] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:56576' (ECDSA) to the list of known hosts. 2025/11/17 17:17:06 fuzzer started 2025/11/17 17:17:06 dialing manager at localhost:37895 2025/11/17 17:17:06 checking machine... 2025/11/17 17:17:06 checking revisions... [ 44.195540] kmemleak: Automatic memory scanning thread ended 2025/11/17 17:17:06 testing simple program... [ 44.276758] cgroup: Unknown subsys name 'net' [ 44.342077] cgroup: Unknown subsys name 'cpuset' [ 44.354200] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:17:05 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888017a3c1c0 RCX=0000000000000000 RDX=1ffff11002f47840 RSI=ffffffff822a8c49 RDI=ffff888017a3c200 RBP=0000000000000059 RSP=ffff88800f59f908 R8 =0000000000000001 R9 =ffffed10032877ba R10=0000000000000001 R11=0000000000000001 R12=0000000004008001 R13=1ffff11001eb3f22 R14=ffff888017a3c220 R15=ffff88801943bbc8 RIP=ffffffff822c5ccb 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 00007f69c5a85900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f69c603d0b0 CR3=000000000db99000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000028cef RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=1 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff123e9e000 CR3=000000000e428000 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=68d45c06c1d6c795804e54a75a4e23fa XMM02=0000000000303e88eff9b2d0a8fce9cb XMM03=0000000000303f582c67c8bc2e329bc3 XMM04=5f21dd1011bc777000000000000ae988 XMM05=cfea1ee7ceabbe020000000000320788 XMM06=baee185dec7ec07d000000000031a298 XMM07=e042d86d42eb936e000000000030f330 XMM08=f7a7b247c6b8a5df0000000000303f58 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000