[ 39.214454] ------------[ cut here ]------------ [ 39.215357] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.217322] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.218778] Modules linked in: [ 39.219410] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.221360] Tainted: [W]=WARN [ 39.221888] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.223335] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.224265] 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 [ 39.227371] RSP: 0018:ffff888017017bc0 EFLAGS: 00010286 [ 39.228351] RAX: 0000000000000000 RBX: ffffed1002e02f78 RCX: ffffffff813a4050 [ 39.229588] RDX: ffff88800f89d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.230835] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e02f2f [ 39.232125] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.233381] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017017df8 [ 39.234641] FS: 00007f83f3aae900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.236052] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.237126] CR2: 00007fffc3ef1ef7 CR3: 000000000e678000 CR4: 0000000000350ef0 [ 39.238417] Call Trace: [ 39.238872] [ 39.239332] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.240243] ? __create_object+0x59/0x80 [ 39.240959] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.241905] __vmalloc_noprof+0x59/0x60 [ 39.242673] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.243533] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.244477] bpf_prog_alloc+0x39/0x200 [ 39.245204] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.246063] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.246951] do_seccomp+0x349/0x25e0 [ 39.247671] ? find_held_lock+0x2b/0x80 [ 39.248457] ? do_prlimit+0x310/0x610 [ 39.249150] ? __pfx_do_seccomp+0x10/0x10 [ 39.249921] ? do_raw_spin_unlock+0x53/0x220 [ 39.250752] ? _raw_spin_unlock+0x1e/0x40 [ 39.251549] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.252644] ? static_key_count+0x60/0x80 [ 39.253474] prctl_set_seccomp+0x4e/0x70 [ 39.254240] __do_sys_prctl+0xe6c/0x1d70 [ 39.254949] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.255801] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.256781] ? irqentry_exit+0xf3/0x650 [ 39.257540] do_syscall_64+0xbf/0x430 [ 39.258277] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.259223] RIP: 0033:0x7f83f3fa05cd [ 39.259880] 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 [ 39.262960] RSP: 002b:00007fffc3eef3a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.264333] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f83f3fa05cd [ 39.265593] RDX: 00005641093a6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.266847] RBP: 00007fffc3eef400 R08: 0000000000000000 R09: 00007fffc3eeeaa0 [ 39.268140] R10: 0000000000000000 R11: 0000000000000246 R12: 000056412f36fad0 [ 39.269335] R13: 00007fffc3eef830 R14: 000056412f370bc0 R15: 000056412f381780 [ 39.270409] [ 39.270750] irq event stamp: 1755 [ 39.271304] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 39.272924] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 39.274188] softirqs last enabled at (1778): [] handle_softirqs+0x50c/0x770 [ 39.275462] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 39.276698] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.193055] ------------[ cut here ]------------ [ 42.194087] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.196335] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.197941] Modules linked in: [ 42.198635] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.200832] Tainted: [W]=WARN [ 42.201479] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.203069] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.204102] 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 [ 42.207992] RSP: 0018:ffff888016d47bc0 EFLAGS: 00010286 [ 42.209078] RAX: 0000000000000000 RBX: ffffed1002da8f78 RCX: ffffffff813a4050 [ 42.210466] RDX: ffff888016551bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.211857] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002da8f2f [ 42.213280] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.214843] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d47df8 [ 42.216542] FS: 00007fb4a5202900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.218259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.219417] CR2: 00007fb4a56f4580 CR3: 0000000009f07000 CR4: 0000000000350ef0 [ 42.220861] Call Trace: [ 42.221413] [ 42.221861] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.222831] ? __create_object+0x59/0x80 [ 42.223683] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.224776] __vmalloc_noprof+0x59/0x60 [ 42.225602] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.226570] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.227587] bpf_prog_alloc+0x39/0x200 [ 42.228446] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.229466] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.230448] do_seccomp+0x349/0x25e0 [ 42.231222] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.232258] ? __pfx_do_seccomp+0x10/0x10 [ 42.233065] ? find_held_lock+0x2b/0x80 [ 42.233895] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.234935] ? static_key_count+0x60/0x80 [ 42.235811] prctl_set_seccomp+0x4e/0x70 [ 42.236707] __do_sys_prctl+0xe6c/0x1d70 [ 42.237562] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.238503] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.239549] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.240645] ? irqentry_exit+0xf3/0x650 [ 42.241483] do_syscall_64+0xbf/0x430 [ 42.242298] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.243335] RIP: 0033:0x7fb4a56f45cd [ 42.244109] 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 [ 42.247542] RSP: 002b:00007ffd3d7ba2e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.249075] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb4a56f45cd [ 42.250467] RDX: 000055b353463e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.251884] RBP: 00007ffd3d7ba340 R08: 0000000000000000 R09: 00007ffd3d7b99e0 [ 42.253319] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b3888c7ad0 [ 42.254709] R13: 00007ffd3d7ba770 R14: 000055b3888c8bc0 R15: 000055b3888d9780 [ 42.256200] [ 42.256669] irq event stamp: 1777 [ 42.257379] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 42.259052] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 42.260664] softirqs last enabled at (1714): [] handle_softirqs+0x50c/0x770 [ 42.261648] softirqs last disabled at (1709): [] __irq_exit_rcu+0xc4/0x100 [ 42.262613] ---[ end trace 0000000000000000 ]--- [ 43.112637] ------------[ cut here ]------------ [ 43.113630] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.115659] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.117141] Modules linked in: [ 43.117804] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.119881] Tainted: [W]=WARN [ 43.120511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.121989] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.122925] 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 [ 43.126133] RSP: 0018:ffff888019f9fbc0 EFLAGS: 00010286 [ 43.127122] RAX: 0000000000000000 RBX: ffffed10033f3f78 RCX: ffffffff813a4050 [ 43.128484] RDX: ffff888016e05340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.129785] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10033f3f2f [ 43.131108] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.132436] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019f9fdf8 [ 43.133740] FS: 00007ff170e48900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.135206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.136317] CR2: 00007fffd4c1eef7 CR3: 000000000dbe2000 CR4: 0000000000350ef0 [ 43.137633] Call Trace: [ 43.138106] [ 43.138578] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.139517] ? __create_object+0x59/0x80 [ 43.140344] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.141338] __vmalloc_noprof+0x59/0x60 [ 43.142075] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.142983] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.143967] bpf_prog_alloc+0x39/0x200 [ 43.144727] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.145679] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.146597] do_seccomp+0x349/0x25e0 [ 43.147338] ? find_held_lock+0x2b/0x80 [ 43.148074] ? do_prlimit+0x310/0x610 [ 43.148842] ? __pfx_do_seccomp+0x10/0x10 [ 43.149638] ? do_raw_spin_unlock+0x53/0x220 [ 43.150485] ? _raw_spin_unlock+0x1e/0x40 [ 43.151294] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.152300] ? static_key_count+0x60/0x80 [ 43.153077] prctl_set_seccomp+0x4e/0x70 [ 43.153858] __do_sys_prctl+0xe6c/0x1d70 [ 43.154659] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.155547] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.156560] ? irqentry_exit+0xf3/0x650 [ 43.157348] do_syscall_64+0xbf/0x430 [ 43.158068] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.159040] RIP: 0033:0x7ff17133a5cd [ 43.159752] 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 [ 43.162944] RSP: 002b:00007fffd4c1c510 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.164344] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff17133a5cd [ 43.165650] RDX: 000055ec3dd4fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.166959] RBP: 00007fffd4c1c570 R08: 0000000000000000 R09: 00007fffd4c1bc10 [ 43.168292] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ec72fbe2b0 [ 43.169608] R13: 00007fffd4c1c9a0 R14: 000055ec72fc0d20 R15: 000055ec72fd28d0 [ 43.170929] [ 43.171417] irq event stamp: 1763 [ 43.172062] hardirqs last enabled at (1771): [] __up_console_sem+0x78/0x80 [ 43.173600] hardirqs last disabled at (1780): [] __up_console_sem+0x5d/0x80 [ 43.175147] softirqs last enabled at (1730): [] handle_softirqs+0x50c/0x770 [ 43.176722] softirqs last disabled at (1801): [] __irq_exit_rcu+0xc4/0x100 [ 43.178002] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:60263' (ECDSA) to the list of known hosts. 2025/11/18 21:31:09 fuzzer started 2025/11/18 21:31:10 dialing manager at localhost:34383 2025/11/18 21:31:10 checking machine... 2025/11/18 21:31:10 checking revisions... [ 44.064452] kmemleak: Automatic memory scanning thread ended 2025/11/18 21:31:10 testing simple program... [ 44.157600] cgroup: Unknown subsys name 'net' [ 44.210069] cgroup: Unknown subsys name 'cpuset' [ 44.224706] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 21:31:09 Registers: info registers vcpu 0 RAX=000000000003c451 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007efff3083228 CR3=000000000dc19000 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=495092e06ba783986a4c6deb6c19d731 XMM02=2c67c8bc2e329bc30000000000305bb8 XMM03=fb795ef6d6577056000000000030ec88 XMM04=1c1c9f0d8d92f73700000000000ae988 XMM05=ce5bcdb69e64f43b0000000000320510 XMM06=5b75c91c80445342000000000031f5b0 XMM07=e042d86d42eb936e000000000030ef60 XMM08=d3b814e1a5e9db4b0000000000305c18 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000000 RCX=dfb8078e475e76a4 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffffffff85e1ffe0 RSP=ffff88806cf08938 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff8152937f RFL=00000057 [---ZAPC] 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 00007fb4a5202900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb4a51e1020 CR3=000000001f62e000 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=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