[ 39.227827] ------------[ cut here ]------------ [ 39.228743] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.230749] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 39.232244] Modules linked in: [ 39.232842] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.234964] Tainted: [W]=WARN [ 39.235529] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.237022] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.237954] 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 [ 39.241166] RSP: 0018:ffff888016c37bc0 EFLAGS: 00010286 [ 39.242165] RAX: 0000000000000000 RBX: ffffed1002d86f78 RCX: ffffffff813a4050 [ 39.243470] RDX: ffff888016c18000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.244757] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d86f2f [ 39.246053] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.247369] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c37df8 [ 39.248655] FS: 00007f1e17b45900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.250101] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.251194] CR2: 00007f1e18037580 CR3: 000000000ddb5000 CR4: 0000000000350ef0 [ 39.252502] Call Trace: [ 39.253018] [ 39.253434] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.254350] ? __create_object+0x59/0x80 [ 39.255164] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.256139] __vmalloc_noprof+0x59/0x60 [ 39.256854] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.257738] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.258692] bpf_prog_alloc+0x39/0x200 [ 39.259450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.260426] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.261340] do_seccomp+0x349/0x25e0 [ 39.262070] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.262992] ? __pfx_do_seccomp+0x10/0x10 [ 39.263766] ? find_held_lock+0x2b/0x80 [ 39.264534] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.265501] ? static_key_count+0x60/0x80 [ 39.266300] prctl_set_seccomp+0x4e/0x70 [ 39.267104] __do_sys_prctl+0xe6c/0x1d70 [ 39.267839] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.268694] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.269656] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.270636] ? irqentry_exit+0xf3/0x650 [ 39.271416] do_syscall_64+0xbf/0x430 [ 39.272141] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.273102] RIP: 0033:0x7f1e180375cd [ 39.273774] 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 [ 39.276945] RSP: 002b:00007ffd3bdf3210 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.278312] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1e180375cd [ 39.279644] RDX: 0000562386cefe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.280936] RBP: 00007ffd3bdf3270 R08: 0000000000000000 R09: 00007ffd3bdf2910 [ 39.282244] R10: 0000000000000000 R11: 0000000000000246 R12: 000056239e611240 [ 39.283560] R13: 00007ffd3bdf36a0 R14: 000056239e610bf0 R15: 000056239e6254d0 [ 39.284876] [ 39.285353] irq event stamp: 1715 [ 39.286009] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 39.287541] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 39.289080] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 39.290672] softirqs last disabled at (1687): [] __irq_exit_rcu+0xc4/0x100 [ 39.292189] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.288877] ------------[ cut here ]------------ [ 42.289789] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.291835] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 42.293333] Modules linked in: [ 42.293967] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.296002] Tainted: [W]=WARN [ 42.296555] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.298295] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.299318] 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 [ 42.302508] RSP: 0018:ffff88801a207bc0 EFLAGS: 00010286 [ 42.303507] RAX: 0000000000000000 RBX: ffffed1003440f78 RCX: ffffffff813a4050 [ 42.304800] RDX: ffff888016585340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.306086] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003440f2f [ 42.307386] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.308678] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a207df8 [ 42.309970] FS: 00007f9b6283e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.311438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.312505] CR2: 00007fffcb268ef7 CR3: 0000000021404000 CR4: 0000000000350ef0 [ 42.313817] Call Trace: [ 42.314323] [ 42.314739] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.315648] ? __create_object+0x59/0x80 [ 42.316443] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.317421] __vmalloc_noprof+0x59/0x60 [ 42.318180] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.319066] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.320013] bpf_prog_alloc+0x39/0x200 [ 42.320705] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.321652] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.322579] do_seccomp+0x349/0x25e0 [ 42.323318] ? find_held_lock+0x2b/0x80 [ 42.324083] ? do_prlimit+0x310/0x610 [ 42.324773] ? __pfx_do_seccomp+0x10/0x10 [ 42.325552] ? do_raw_spin_unlock+0x53/0x220 [ 42.326387] ? _raw_spin_unlock+0x1e/0x40 [ 42.327180] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.328147] ? static_key_count+0x60/0x80 [ 42.328962] prctl_set_seccomp+0x4e/0x70 [ 42.329695] __do_sys_prctl+0xe6c/0x1d70 [ 42.330469] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.331358] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.332336] ? irqentry_exit+0xf3/0x650 [ 42.333096] do_syscall_64+0xbf/0x430 [ 42.333800] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.334750] RIP: 0033:0x7f9b62d305cd [ 42.335481] 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 [ 42.338677] RSP: 002b:00007fffcb266ad0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.340065] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b62d305cd [ 42.341351] RDX: 000055dcc37dae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.342653] RBP: 00007fffcb266b30 R08: 0000000000000000 R09: 00007fffcb2661d0 [ 42.343967] R10: 0000000000000000 R11: 0000000000000246 R12: 000055dcd45b6ad0 [ 42.345251] R13: 00007fffcb266f60 R14: 000055dcd45b7bc0 R15: 000055dcd45c8780 [ 42.346542] [ 42.347021] irq event stamp: 1791 [ 42.347633] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 42.349161] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 42.350683] softirqs last enabled at (1548): [] handle_softirqs+0x50c/0x770 [ 42.351980] softirqs last disabled at (1533): [] __irq_exit_rcu+0xc4/0x100 [ 42.352942] ---[ end trace 0000000000000000 ]--- [ 43.042560] ------------[ cut here ]------------ [ 43.043175] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.044423] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 43.045336] Modules linked in: [ 43.045709] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.046967] Tainted: [W]=WARN [ 43.047319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.048244] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.048793] 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 [ 43.050791] RSP: 0018:ffff88801712fbc0 EFLAGS: 00010286 [ 43.051434] RAX: 0000000000000000 RBX: ffffed1002e25f78 RCX: ffffffff813a4050 [ 43.052260] RDX: ffff88801a4a1bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.053084] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e25f2f [ 43.053862] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.054670] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801712fdf8 [ 43.055489] FS: 00007f4bc1c76900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.056402] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.057083] CR2: 00007f4bc2168580 CR3: 000000000abe1000 CR4: 0000000000350ef0 [ 43.057875] Call Trace: [ 43.058218] [ 43.058485] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.059060] ? __create_object+0x59/0x80 [ 43.059531] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.060144] __vmalloc_noprof+0x59/0x60 [ 43.060593] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.061145] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.061707] bpf_prog_alloc+0x39/0x200 [ 43.062167] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.062721] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.063298] do_seccomp+0x349/0x25e0 [ 43.063722] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.064283] ? __pfx_do_seccomp+0x10/0x10 [ 43.064753] ? find_held_lock+0x2b/0x80 [ 43.065247] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.065842] ? static_key_count+0x60/0x80 [ 43.066360] prctl_set_seccomp+0x4e/0x70 [ 43.066829] __do_sys_prctl+0xe6c/0x1d70 [ 43.067345] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.067867] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.068482] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.069117] ? irqentry_exit+0xf3/0x650 [ 43.069577] do_syscall_64+0xbf/0x430 [ 43.070059] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.070642] RIP: 0033:0x7f4bc21685cd [ 43.071099] 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 [ 43.073135] RSP: 002b:00007ffe3a7f7cd0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.074025] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4bc21685cd [ 43.074808] RDX: 000055adeaf2fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.075632] RBP: 00007ffe3a7f7d30 R08: 0000000000000000 R09: 00007ffe3a7f73d0 [ 43.076450] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ae1ec65240 [ 43.077284] R13: 00007ffe3a7f8160 R14: 000055ae1ec6e380 R15: 000055ae1ec79540 [ 43.078111] [ 43.078381] irq event stamp: 1655 [ 43.078760] hardirqs last enabled at (1663): [] __up_console_sem+0x78/0x80 [ 43.079742] hardirqs last disabled at (1672): [] __up_console_sem+0x5d/0x80 [ 43.080714] softirqs last enabled at (1344): [] handle_softirqs+0x50c/0x770 [ 43.081695] softirqs last disabled at (1329): [] __irq_exit_rcu+0xc4/0x100 [ 43.082665] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13908' (ECDSA) to the list of known hosts. 2025/11/18 17:50:23 fuzzer started 2025/11/18 17:50:23 dialing manager at localhost:34383 2025/11/18 17:50:23 checking machine... 2025/11/18 17:50:23 checking revisions... [ 43.886645] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:50:23 testing simple program... [ 43.975664] cgroup: Unknown subsys name 'net' [ 44.041107] cgroup: Unknown subsys name 'cpuset' [ 44.060688] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 17:50:22 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888016c7b780 RCX=0000000000000002 RDX=0000000088596101 RSI=0000000000000000 RDI=ffffffff85e1ffe0 RBP=ffff888016c7c1d8 RSP=ffff8880165d74e8 R8 =0000000000000000 R9 =0000000000000005 R10=0000000000000001 R11=0000000000000000 R12=ffff888016c7c1d8 R13=0000000000000000 R14=0000000000000000 R15=0000000000000002 RIP=ffffffff81527028 RFL=00000086 [--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 00007f9b6283e900 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=00007fffcb260000 CR3=000000000eaf0000 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=30353a373120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383534 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=000000000002820b 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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f4f9302b000 CR3=000000000fd58000 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=2032323a30353a373120383120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032323a30353a3731203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000