[ 38.969430] ------------[ cut here ]------------ [ 38.970493] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.972895] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.974599] Modules linked in: [ 38.975339] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.977662] Tainted: [W]=WARN [ 38.978362] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.980068] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.981154] 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 [ 38.984713] RSP: 0018:ffff88801a66fbc0 EFLAGS: 00010286 [ 38.985755] RAX: 0000000000000000 RBX: ffffed10034cdf78 RCX: ffffffff813a4050 [ 38.987092] RDX: ffff888016240000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.988483] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034cdf2f [ 38.989905] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.991302] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a66fdf8 [ 38.992707] FS: 00007f6dee484900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.994269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.995429] CR2: 00007f6dee976580 CR3: 0000000010109000 CR4: 0000000000350ef0 [ 38.996859] Call Trace: [ 38.997398] [ 38.997865] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.998866] ? __create_object+0x59/0x80 [ 38.999734] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.000825] __vmalloc_noprof+0x59/0x60 [ 39.001648] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.002590] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.003594] bpf_prog_alloc+0x39/0x200 [ 39.004434] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.005485] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.006457] do_seccomp+0x349/0x25e0 [ 39.007213] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.008232] ? __pfx_do_seccomp+0x10/0x10 [ 39.009135] ? find_held_lock+0x2b/0x80 [ 39.009957] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.010994] ? static_key_count+0x60/0x80 [ 39.011824] prctl_set_seccomp+0x4e/0x70 [ 39.012613] __do_sys_prctl+0xe6c/0x1d70 [ 39.013416] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.014281] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.015244] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.016207] ? irqentry_exit+0xf3/0x650 [ 39.016958] do_syscall_64+0xbf/0x430 [ 39.017706] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.018661] RIP: 0033:0x7f6dee9765cd [ 39.019375] 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 [ 39.022568] RSP: 002b:00007ffe49086e60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.023936] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6dee9765cd [ 39.025237] RDX: 0000561fb1c8ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.026517] RBP: 00007ffe49086ec0 R08: 0000000000000000 R09: 00007ffe49086560 [ 39.027805] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561fd6d47ad0 [ 39.028979] R13: 00007ffe490872f0 R14: 0000561fd6d48bc0 R15: 0000561fd6d59780 [ 39.029815] [ 39.030123] irq event stamp: 1767 [ 39.030520] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 39.031516] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 39.032510] softirqs last enabled at (1298): [] handle_softirqs+0x50c/0x770 [ 39.033365] softirqs last disabled at (1289): [] __irq_exit_rcu+0xc4/0x100 [ 39.034196] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.515649] ------------[ cut here ]------------ [ 41.516577] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.518598] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.520043] Modules linked in: [ 41.520647] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.522647] Tainted: [W]=WARN [ 41.523465] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.525011] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.525923] 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 [ 41.529081] RSP: 0018:ffff88801765fbc0 EFLAGS: 00010286 [ 41.529997] RAX: 0000000000000000 RBX: ffffed1002ecbf78 RCX: ffffffff813a4050 [ 41.531308] RDX: ffff888016db0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.532583] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ecbf2f [ 41.533846] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.535109] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801765fdf8 [ 41.536410] FS: 00007fd77f834900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.537838] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.538900] CR2: 00007fd77fd26580 CR3: 00000000207d8000 CR4: 0000000000350ef0 [ 41.540186] Call Trace: [ 41.540652] [ 41.541095] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.541927] ? __create_object+0x59/0x80 [ 41.542689] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.543637] __vmalloc_noprof+0x59/0x60 [ 41.544395] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.545260] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.546180] bpf_prog_alloc+0x39/0x200 [ 41.546870] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.547786] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.548696] do_seccomp+0x349/0x25e0 [ 41.549413] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.550301] ? __pfx_do_seccomp+0x10/0x10 [ 41.551085] ? find_held_lock+0x2b/0x80 [ 41.551804] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.552776] ? static_key_count+0x60/0x80 [ 41.553572] prctl_set_seccomp+0x4e/0x70 [ 41.554342] __do_sys_prctl+0xe6c/0x1d70 [ 41.555116] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.555922] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.556891] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.557848] ? irqentry_exit+0xf3/0x650 [ 41.558612] do_syscall_64+0xbf/0x430 [ 41.559344] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.560294] RIP: 0033:0x7fd77fd265cd [ 41.560950] 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 [ 41.564083] RSP: 002b:00007ffebff0e5e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.565438] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd77fd265cd [ 41.566705] RDX: 000055d00ca07e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.567967] RBP: 00007ffebff0e640 R08: 0000000000000000 R09: 00007ffebff0dce0 [ 41.569261] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d02815fbf0 [ 41.570554] R13: 00007ffebff0ea70 R14: 000055d028169380 R15: 000055d028174460 [ 41.571873] [ 41.572362] irq event stamp: 1787 [ 41.572966] hardirqs last enabled at (1795): [] __up_console_sem+0x78/0x80 [ 41.574493] hardirqs last disabled at (1804): [] __up_console_sem+0x5d/0x80 [ 41.575997] softirqs last enabled at (1430): [] handle_softirqs+0x50c/0x770 [ 41.577458] softirqs last disabled at (1425): [] __irq_exit_rcu+0xc4/0x100 [ 41.578791] ---[ end trace 0000000000000000 ]--- [ 42.309667] ------------[ cut here ]------------ [ 42.310684] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.313061] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 42.314679] Modules linked in: [ 42.315635] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.317942] Tainted: [W]=WARN [ 42.318627] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.320297] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.321315] 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 [ 42.324839] RSP: 0018:ffff88801a757bc0 EFLAGS: 00010286 [ 42.325934] RAX: 0000000000000000 RBX: ffffed10034eaf78 RCX: ffffffff813a4050 [ 42.327361] RDX: ffff888009d51bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.328806] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10034eaf2f [ 42.330232] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.331649] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a757df8 [ 42.333097] FS: 00007f89fde3a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.334691] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.335873] CR2: 00007ffe5dafaef7 CR3: 0000000020659000 CR4: 0000000000350ef0 [ 42.337316] Call Trace: [ 42.337821] [ 42.338311] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.339275] ? __create_object+0x59/0x80 [ 42.340129] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.341197] __vmalloc_noprof+0x59/0x60 [ 42.341967] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.342920] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.343926] bpf_prog_alloc+0x39/0x200 [ 42.344752] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.345772] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.346774] do_seccomp+0x349/0x25e0 [ 42.347557] ? find_held_lock+0x2b/0x80 [ 42.348405] ? do_prlimit+0x310/0x610 [ 42.349231] ? __pfx_do_seccomp+0x10/0x10 [ 42.350079] ? do_raw_spin_unlock+0x53/0x220 [ 42.350929] ? _raw_spin_unlock+0x1e/0x40 [ 42.351781] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.352861] ? static_key_count+0x60/0x80 [ 42.353735] prctl_set_seccomp+0x4e/0x70 [ 42.354584] __do_sys_prctl+0xe6c/0x1d70 [ 42.355452] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.356407] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.357464] ? irqentry_exit+0xf3/0x650 [ 42.358296] do_syscall_64+0xbf/0x430 [ 42.359083] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.360121] RIP: 0033:0x7f89fe32c5cd [ 42.360846] 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 [ 42.364277] RSP: 002b:00007ffe5daf9910 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.365747] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f89fe32c5cd [ 42.367129] RDX: 0000561efdf6ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.368540] RBP: 00007ffe5daf9970 R08: 0000000000000000 R09: 00007ffe5daf9010 [ 42.369937] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561f2f6c7ad0 [ 42.371351] R13: 00007ffe5daf9da0 R14: 0000561f2f6c8bc0 R15: 0000561f2f6d9780 [ 42.372776] [ 42.373288] irq event stamp: 1797 [ 42.373942] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 42.375596] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 42.377250] softirqs last enabled at (1774): [] handle_softirqs+0x50c/0x770 [ 42.378932] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 42.380602] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:34006' (ECDSA) to the list of known hosts. 2025/11/18 02:14:15 fuzzer started 2025/11/18 02:14:15 dialing manager at localhost:37895 2025/11/18 02:14:15 checking machine... 2025/11/18 02:14:15 checking revisions... [ 43.380211] kmemleak: Automatic memory scanning thread ended 2025/11/18 02:14:16 testing simple program... [ 43.458996] cgroup: Unknown subsys name 'net' [ 43.518659] cgroup: Unknown subsys name 'cpuset' [ 43.547014] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 02:14:14 Registers: info registers vcpu 0 RAX=000000000003d8d1 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=00000206 [-----P-] 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 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc9de4c2310 CR3=000000000e4a3000 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=34313a323020383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363435 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=ffff888015d53780 RBX=ffff88801b177f58 RCX=ffffffff812d0480 RDX=ffff888015d53780 RSI=ffffffff84c72450 RDI=0000000000000004 RBP=0000000000000000 RSP=ffff88801b177ee0 R8 =0000000000000000 R9 =ffffed1002baa6f0 R10=0000000000000001 R11=0000000000000001 R12=0000000000000007 R13=00007fd77fbd03ec R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c72465 RFL=00000046 [---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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fd77f834900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd77fbd03ec CR3=000000002078d000 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=6720646572637465733a4d41503d706f 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