[ 46.038233] ------------[ cut here ]------------ [ 46.039045] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.040808] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.042098] Modules linked in: [ 46.042655] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.044389] Tainted: [W]=WARN [ 46.044878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.046360] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.047119] 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 [ 46.049891] RSP: 0018:ffff888015eefbc0 EFLAGS: 00010286 [ 46.050730] RAX: 0000000000000000 RBX: ffffed1002bddf78 RCX: ffffffff813a4050 [ 46.051840] RDX: ffff888013ec1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.052952] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002bddf2f [ 46.054078] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.055188] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015eefdf8 [ 46.056301] FS: 00007fd49c586900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.057579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.058499] CR2: 00007fd49ca78580 CR3: 000000000e709000 CR4: 0000000000350ef0 [ 46.059609] Call Trace: [ 46.060010] [ 46.060396] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.061131] ? __create_object+0x59/0x80 [ 46.061817] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.062643] __vmalloc_noprof+0x59/0x60 [ 46.063256] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.063993] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.064794] bpf_prog_alloc+0x39/0x200 [ 46.065430] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.066100] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.066749] do_seccomp+0x349/0x25e0 [ 46.067238] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.067892] ? __pfx_do_seccomp+0x10/0x10 [ 46.068466] ? find_held_lock+0x2b/0x80 [ 46.068981] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.069680] ? static_key_count+0x60/0x80 [ 46.070223] prctl_set_seccomp+0x4e/0x70 [ 46.070773] __do_sys_prctl+0xe6c/0x1d70 [ 46.071306] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.071919] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.072611] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.073275] ? irqentry_exit+0xf3/0x650 [ 46.073844] do_syscall_64+0xbf/0x430 [ 46.074378] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.075028] RIP: 0033:0x7fd49ca785cd [ 46.075534] 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 [ 46.077803] RSP: 002b:00007fffced69000 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.078774] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd49ca785cd [ 46.079690] RDX: 000055cace553e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.080602] RBP: 00007fffced69060 R08: 0000000000000000 R09: 00007fffced68700 [ 46.081530] R10: 0000000000000000 R11: 0000000000000246 R12: 000055cb038a2ad0 [ 46.082447] R13: 00007fffced69490 R14: 000055cb038a3bc0 R15: 000055cb038b4780 [ 46.083373] [ 46.083676] irq event stamp: 1741 [ 46.084110] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 46.085197] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 46.086292] softirqs last enabled at (1298): [] handle_softirqs+0x50c/0x770 [ 46.087394] softirqs last disabled at (1257): [] __irq_exit_rcu+0xc4/0x100 [ 46.088466] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 48.984165] ------------[ cut here ]------------ [ 48.985066] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.986984] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 48.988289] Modules linked in: [ 48.988852] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.990631] Tainted: [W]=WARN [ 48.991125] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.992443] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.993275] 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 [ 48.996163] RSP: 0018:ffff888016357bc0 EFLAGS: 00010286 [ 48.997033] RAX: 0000000000000000 RBX: ffffed1002c6af78 RCX: ffffffff813a4050 [ 48.998198] RDX: ffff888015f09bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.999353] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c6af2f [ 49.000489] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.001692] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016357df8 [ 49.002844] FS: 00007fd750ffa900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.004133] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.005072] CR2: 00007ffecc121ef8 CR3: 000000000b879000 CR4: 0000000000350ef0 [ 49.006211] Call Trace: [ 49.006655] [ 49.007026] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.007837] ? __create_object+0x59/0x80 [ 49.008541] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.009462] __vmalloc_noprof+0x59/0x60 [ 49.010102] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.010857] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.011799] bpf_prog_alloc+0x39/0x200 [ 49.012559] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.013532] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.014468] do_seccomp+0x349/0x25e0 [ 49.015163] ? find_held_lock+0x2b/0x80 [ 49.015951] ? do_prlimit+0x310/0x610 [ 49.016729] ? __pfx_do_seccomp+0x10/0x10 [ 49.017556] ? do_raw_spin_unlock+0x53/0x220 [ 49.018421] ? _raw_spin_unlock+0x1e/0x40 [ 49.019179] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.020176] ? static_key_count+0x60/0x80 [ 49.020998] prctl_set_seccomp+0x4e/0x70 [ 49.021808] __do_sys_prctl+0xe6c/0x1d70 [ 49.022619] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.023506] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.024504] ? irqentry_exit+0xf3/0x650 [ 49.025249] do_syscall_64+0xbf/0x430 [ 49.026020] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.026998] RIP: 0033:0x7fd7514ec5cd [ 49.027742] 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 [ 49.031028] RSP: 002b:00007ffecc120630 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.032309] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd7514ec5cd [ 49.033482] RDX: 000055e495975e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.034605] RBP: 00007ffecc120690 R08: 0000000000000000 R09: 00007ffecc11fd30 [ 49.035709] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e4c567fb10 [ 49.036803] R13: 00007ffecc120ac0 R14: 000055e4c56802b0 R15: 000055e4c56946f0 [ 49.037938] [ 49.038305] irq event stamp: 1669 [ 49.038862] hardirqs last enabled at (1679): [] __up_console_sem+0x78/0x80 [ 49.040168] hardirqs last disabled at (1688): [] __up_console_sem+0x5d/0x80 [ 49.041478] softirqs last enabled at (82): [] handle_softirqs+0x50c/0x770 [ 49.042795] softirqs last disabled at (1707): [] __irq_exit_rcu+0xc4/0x100 [ 49.044098] ---[ end trace 0000000000000000 ]--- [ 49.742033] ------------[ cut here ]------------ [ 49.743019] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.745142] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 49.746759] Modules linked in: [ 49.747463] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.749603] Tainted: [W]=WARN [ 49.750228] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.752124] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.753276] 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 [ 49.756683] RSP: 0018:ffff888017bbfbc0 EFLAGS: 00010286 [ 49.757767] RAX: 0000000000000000 RBX: ffffed1002f77f78 RCX: ffffffff813a4050 [ 49.759171] RDX: ffff88801b438000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.760552] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f77f2f [ 49.761992] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.763468] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017bbfdf8 [ 49.764832] FS: 00007f88d322b900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.766370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.767512] CR2: 00007ffd05a66ef8 CR3: 000000001bdc2000 CR4: 0000000000350ef0 [ 49.768961] Call Trace: [ 49.769476] [ 49.769992] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.770983] ? __create_object+0x59/0x80 [ 49.771820] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.772885] __vmalloc_noprof+0x59/0x60 [ 49.773764] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.774754] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.775714] bpf_prog_alloc+0x39/0x200 [ 49.776462] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.777422] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.778387] do_seccomp+0x349/0x25e0 [ 49.779080] ? find_held_lock+0x2b/0x80 [ 49.779858] ? do_prlimit+0x310/0x610 [ 49.780606] ? __pfx_do_seccomp+0x10/0x10 [ 49.781420] ? do_raw_spin_unlock+0x53/0x220 [ 49.782261] ? _raw_spin_unlock+0x1e/0x40 [ 49.783078] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.784059] ? static_key_count+0x60/0x80 [ 49.784925] prctl_set_seccomp+0x4e/0x70 [ 49.785786] __do_sys_prctl+0xe6c/0x1d70 [ 49.786578] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.787446] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.788447] ? irqentry_exit+0xf3/0x650 [ 49.789179] do_syscall_64+0xbf/0x430 [ 49.790002] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.790978] RIP: 0033:0x7f88d371d5cd [ 49.791710] 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 [ 49.794942] RSP: 002b:00007ffd05a654b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.796313] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f88d371d5cd [ 49.797650] RDX: 000055dea50c8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.798975] RBP: 00007ffd05a65510 R08: 0000000000000000 R09: 00007ffd05a64bb0 [ 49.800263] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dedef9d240 [ 49.801580] R13: 00007ffd05a65940 R14: 000055dedef9cbf0 R15: 000055dedefb14d0 [ 49.802937] [ 49.803409] irq event stamp: 1877 [ 49.804035] hardirqs last enabled at (1885): [] __up_console_sem+0x78/0x80 [ 49.805576] hardirqs last disabled at (1894): [] __up_console_sem+0x5d/0x80 [ 49.806689] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 49.807702] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 49.808698] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:9268' (ECDSA) to the list of known hosts. 2025/11/18 03:54:38 fuzzer started 2025/11/18 03:54:39 dialing manager at localhost:37895 2025/11/18 03:54:39 checking machine... 2025/11/18 03:54:39 checking revisions... [ 50.703564] kmemleak: Automatic memory scanning thread ended 2025/11/18 03:54:39 testing simple program... [ 50.802732] cgroup: Unknown subsys name 'net' [ 50.870431] cgroup: Unknown subsys name 'cpuset' [ 50.885235] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 03:54:38 Registers: info registers vcpu 0 RAX=0000000000048045 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe3300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff815102738 CR3=000000000bb67000 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=34353a333020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320303539 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000001 RBX=0000000000000001 RCX=255630821f11977f RDX=ffffffff8135e4a9 RSI=0000000010e2cc00 RDI=00000000a4e8a246 RBP=ffff888013ea7440 RSP=ffff888013ea7378 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=ffff888013ea7430 R14=ffff888015f0d340 R15=ffff888013ea73e8 RIP=ffffffff8135e4c5 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 00007fd750ffa900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd750fd9020 CR3=0000000013b05000 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