syzkaller login: [ 46.111048] ------------[ cut here ]------------ [ 46.112046] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.114522] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/236 [ 46.116256] Modules linked in: [ 46.117007] CPU: 1 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.119052] Tainted: [W]=WARN [ 46.119616] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.121169] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.122118] 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 [ 46.125390] RSP: 0018:ffff888016ad7bc0 EFLAGS: 00010286 [ 46.126413] RAX: 0000000000000000 RBX: ffffed1002d5af78 RCX: ffffffff813a4050 [ 46.127714] RDX: ffff88800a350000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.129075] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d5af2f [ 46.130387] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.131690] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ad7df8 [ 46.133069] FS: 00007f5a73caf900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.134562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.135655] CR2: 00007fff8428cef7 CR3: 000000000cb65000 CR4: 0000000000350ef0 [ 46.137006] Call Trace: [ 46.137478] [ 46.137998] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.138913] ? __create_object+0x59/0x80 [ 46.139648] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.140657] __vmalloc_noprof+0x59/0x60 [ 46.141458] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.142363] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.143313] bpf_prog_alloc+0x39/0x200 [ 46.144079] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.145062] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.146007] do_seccomp+0x349/0x25e0 [ 46.146692] ? find_held_lock+0x2b/0x80 [ 46.147486] ? do_prlimit+0x310/0x610 [ 46.148246] ? __pfx_do_seccomp+0x10/0x10 [ 46.149087] ? do_raw_spin_unlock+0x53/0x220 [ 46.149946] ? _raw_spin_unlock+0x1e/0x40 [ 46.150698] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.151688] ? static_key_count+0x60/0x80 [ 46.152525] prctl_set_seccomp+0x4e/0x70 [ 46.153333] __do_sys_prctl+0xe6c/0x1d70 [ 46.154163] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.155040] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.156076] ? irqentry_exit+0xf3/0x650 [ 46.156892] do_syscall_64+0xbf/0x430 [ 46.157617] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.158611] RIP: 0033:0x7f5a741a15cd [ 46.159334] 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 [ 46.162591] RSP: 002b:00007fff8428b000 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.164000] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a741a15cd [ 46.165343] RDX: 0000562ab4ae6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.166939] RBP: 00007fff8428b060 R08: 0000000000000000 R09: 00007fff8428a700 [ 46.168583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562ae57c3ad0 [ 46.170191] R13: 00007fff8428b490 R14: 0000562ae57c4bc0 R15: 0000562ae57d5780 [ 46.171635] [ 46.172129] irq event stamp: 1833 [ 46.172794] hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80 [ 46.174380] hardirqs last disabled at (1852): [] __up_console_sem+0x5d/0x80 [ 46.175965] softirqs last enabled at (1800): [] handle_softirqs+0x50c/0x770 [ 46.177570] softirqs last disabled at (1795): [] __irq_exit_rcu+0xc4/0x100 [ 46.178878] ---[ end trace 0000000000000000 ]--- [ 49.618965] ------------[ cut here ]------------ [ 49.619701] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.621390] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/244 [ 49.622606] Modules linked in: [ 49.623144] CPU: 1 UID: 104 PID: 244 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.624986] Tainted: [W]=WARN [ 49.625446] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.626739] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.627488] 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 [ 49.630161] RSP: 0018:ffff888017167bc0 EFLAGS: 00010286 [ 49.630983] RAX: 0000000000000000 RBX: ffffed1002e2cf78 RCX: ffffffff813a4050 [ 49.632062] RDX: ffff88801aa00000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.633142] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e2cf2f [ 49.634198] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.635251] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017167df8 [ 49.636319] FS: 00007f3866318900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.637517] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.638422] CR2: 00007ffd8a434ef7 CR3: 000000000d84f000 CR4: 0000000000350ef0 [ 49.639493] Call Trace: [ 49.639922] [ 49.640272] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.641027] ? __create_object+0x59/0x80 [ 49.641651] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.642453] __vmalloc_noprof+0x59/0x60 [ 49.643067] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.643753] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.644537] bpf_prog_alloc+0x39/0x200 [ 49.645148] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.645919] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.646638] do_seccomp+0x349/0x25e0 [ 49.647230] ? find_held_lock+0x2b/0x80 [ 49.647861] ? do_prlimit+0x310/0x610 [ 49.648450] ? __pfx_do_seccomp+0x10/0x10 [ 49.649098] ? do_raw_spin_unlock+0x53/0x220 [ 49.649751] ? _raw_spin_unlock+0x1e/0x40 [ 49.650406] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.651213] ? static_key_count+0x60/0x80 [ 49.651887] prctl_set_seccomp+0x4e/0x70 [ 49.652501] __do_sys_prctl+0xe6c/0x1d70 [ 49.653157] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.653872] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.654652] ? irqentry_exit+0xf3/0x650 [ 49.655290] do_syscall_64+0xbf/0x430 [ 49.655912] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.656708] RIP: 0033:0x7f386680a5cd [ 49.657307] 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 [ 49.660021] RSP: 002b:00007ffd8a433470 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.661194] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f386680a5cd [ 49.662294] RDX: 000055b7df0c0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.663381] RBP: 00007ffd8a4334d0 R08: 0000000000000000 R09: 00007ffd8a432b70 [ 49.664478] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b7e40c1ad0 [ 49.665587] R13: 00007ffd8a433900 R14: 000055b7e40c2bc0 R15: 000055b7e40d3780 [ 49.666698] [ 49.667088] irq event stamp: 1737 [ 49.667606] hardirqs last enabled at (1745): [] __up_console_sem+0x78/0x80 [ 49.668943] hardirqs last disabled at (1754): [] __up_console_sem+0x5d/0x80 [ 49.670253] softirqs last enabled at (1280): [] handle_softirqs+0x50c/0x770 [ 49.671552] softirqs last disabled at (1257): [] __irq_exit_rcu+0xc4/0x100 [ 49.672862] ---[ end trace 0000000000000000 ]--- [ 50.412244] ------------[ cut here ]------------ [ 50.413196] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.415189] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/251 [ 50.416660] Modules linked in: [ 50.417504] CPU: 0 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 50.419524] Tainted: [W]=WARN [ 50.420105] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.421585] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.422479] 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 [ 50.425636] RSP: 0018:ffff888009e27bc0 EFLAGS: 00010286 [ 50.426599] RAX: 0000000000000000 RBX: ffffed10013c4f78 RCX: ffffffff813a4050 [ 50.427964] RDX: ffff888016413780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.429286] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10013c4f2f [ 50.430557] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.431823] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888009e27df8 [ 50.433125] FS: 00007fa0e3098900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.434542] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.435593] CR2: 00007fa0e35fe4a6 CR3: 0000000016c59000 CR4: 0000000000350ef0 [ 50.436902] Call Trace: [ 50.437356] [ 50.437790] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.438636] ? __create_object+0x59/0x80 [ 50.439405] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.440346] __vmalloc_noprof+0x59/0x60 [ 50.441128] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.442001] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.442918] bpf_prog_alloc+0x39/0x200 [ 50.443603] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.444561] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.445479] do_seccomp+0x349/0x25e0 [ 50.446192] ? find_held_lock+0x2b/0x80 [ 50.446946] ? do_prlimit+0x310/0x610 [ 50.447629] ? __pfx_do_seccomp+0x10/0x10 [ 50.448406] ? do_raw_spin_unlock+0x53/0x220 [ 50.449270] ? _raw_spin_unlock+0x1e/0x40 [ 50.450032] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.450994] ? static_key_count+0x60/0x80 [ 50.451737] prctl_set_seccomp+0x4e/0x70 [ 50.452525] __do_sys_prctl+0xe6c/0x1d70 [ 50.453310] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.454158] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.455128] ? irqentry_exit+0xf3/0x650 [ 50.455881] do_syscall_64+0xbf/0x430 [ 50.456600] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.457548] RIP: 0033:0x7fa0e358a5cd [ 50.458249] 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 [ 50.461423] RSP: 002b:00007ffcd8e03f20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.462794] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa0e358a5cd [ 50.464064] RDX: 0000560c372e2e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.465393] RBP: 00007ffcd8e03f80 R08: 0000000000000000 R09: 00007ffcd8e03620 [ 50.466661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560c5c0e8ad0 [ 50.467918] R13: 00007ffcd8e043b0 R14: 0000560c5c0e9bc0 R15: 0000560c5c0fa780 [ 50.469231] [ 50.469650] irq event stamp: 1829 [ 50.470291] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 50.471798] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 50.473338] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 50.474884] softirqs last disabled at (1867): [] __irq_exit_rcu+0xc4/0x100 [ 50.476374] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46383' (ECDSA) to the list of known hosts. 2025/11/19 02:10:50 fuzzer started 2025/11/19 02:10:50 dialing manager at localhost:34383 2025/11/19 02:10:50 checking machine... 2025/11/19 02:10:50 checking revisions... [ 51.354688] kmemleak: Automatic memory scanning thread ended 2025/11/19 02:10:50 testing simple program... [ 51.428820] cgroup: Unknown subsys name 'net' [ 51.487327] cgroup: Unknown subsys name 'cpuset' [ 51.500030] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 02:10:49 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffffffff8100148a RCX=ffff88806ce089c4 RDX=1ffff1100d9c1159 RSI=ffffffff85e1ffe0 RDI=ffffffff8100148a RBP=ffff88806ce08ac8 RSP=ffff88806ce08a40 R8 =0000000000000001 R9 =ffff88806ce08ab0 R10=000000000003c9ed R11=00000000000c7fe1 R12=ffff88806ce08b38 R13=0000000000000000 R14=ffff88801aa01bc0 R15=ffff888008c4b780 RIP=ffffffff81439cc0 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 00007f3866318900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2500000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f38668cf618 CR3=000000000e4ac000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000028c61 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055b7e40be218 CR3=000000000bd84000 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=a6dfc5f6a6fb54b44047aff90ecb55f5 XMM02=0000000000305968eff9b2d0a8fce9cb XMM03=0000000000305a382c67c8bc2e329bc3 XMM04=cf9ae80e36503ddd00000000000ae988 XMM05=0394861f14684e59000000000031f040 XMM06=3e829fc8c8edc990000000000031eec8 XMM07=e042d86d42eb936e000000000030ffd8 XMM08=466d76e840cac3a20000000000305a38 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000