[ 46.682787] ------------[ cut here ]------------ [ 46.683748] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.685740] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.687235] Modules linked in: [ 46.687936] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.689955] Tainted: [W]=WARN [ 46.690543] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.692035] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.692959] 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 [ 46.696150] RSP: 0018:ffff888019907bc0 EFLAGS: 00010286 [ 46.697140] RAX: 0000000000000000 RBX: ffffed1003320f78 RCX: ffffffff813a4050 [ 46.698450] RDX: ffff88801a465340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.699742] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003320f2f [ 46.701029] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.702302] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019907df8 [ 46.703626] FS: 00007f76603f3900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.705070] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.706132] CR2: 00007f76608e5580 CR3: 0000000009de5000 CR4: 0000000000350ef0 [ 46.707432] Call Trace: [ 46.707903] [ 46.708310] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.709206] ? __create_object+0x59/0x80 [ 46.709991] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.710978] __vmalloc_noprof+0x59/0x60 [ 46.711756] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.712637] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.713580] bpf_prog_alloc+0x39/0x200 [ 46.714282] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.715229] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.716149] do_seccomp+0x349/0x25e0 [ 46.716873] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.717781] ? __pfx_do_seccomp+0x10/0x10 [ 46.718574] ? find_held_lock+0x2b/0x80 [ 46.719307] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.720282] ? static_key_count+0x60/0x80 [ 46.721088] prctl_set_seccomp+0x4e/0x70 [ 46.721884] __do_sys_prctl+0xe6c/0x1d70 [ 46.722677] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.723550] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.724526] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.725495] ? irqentry_exit+0xf3/0x650 [ 46.726213] do_syscall_64+0xbf/0x430 [ 46.726968] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.727941] RIP: 0033:0x7f76608e55cd [ 46.728670] 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 [ 46.731850] RSP: 002b:00007ffc039fc940 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.733221] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f76608e55cd [ 46.734496] RDX: 0000560b1d611e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.735788] RBP: 00007ffc039fc9a0 R08: 0000000000000000 R09: 00007ffc039fc040 [ 46.737072] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560b4fe0eb10 [ 46.738359] R13: 00007ffc039fcdd0 R14: 0000560b4fe0f2b0 R15: 0000560b4fe236f0 [ 46.739682] [ 46.740109] irq event stamp: 1755 [ 46.740762] hardirqs last enabled at (1765): [] __up_console_sem+0x78/0x80 [ 46.742292] hardirqs last disabled at (1774): [] __up_console_sem+0x5d/0x80 [ 46.743887] softirqs last enabled at (1798): [] handle_softirqs+0x50c/0x770 [ 46.745456] softirqs last disabled at (1783): [] __irq_exit_rcu+0xc4/0x100 [ 46.747004] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 49.372290] ------------[ cut here ]------------ [ 49.373215] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.375242] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 49.376668] Modules linked in: [ 49.377359] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.379320] Tainted: [W]=WARN [ 49.379900] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.382755] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.383742] 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 [ 49.386846] RSP: 0018:ffff8880198ffbc0 EFLAGS: 00010286 [ 49.387813] RAX: 0000000000000000 RBX: ffffed100331ff78 RCX: ffffffff813a4050 [ 49.389051] RDX: ffff888016a59bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.390330] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100331ff2f [ 49.391591] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.392849] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880198ffdf8 [ 49.394107] FS: 00007fc094edb900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.395513] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.396551] CR2: 00007ffd6a568ef7 CR3: 000000000e3ab000 CR4: 0000000000350ef0 [ 49.397790] Call Trace: [ 49.398244] [ 49.398691] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.399581] ? __create_object+0x59/0x80 [ 49.400314] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.401248] __vmalloc_noprof+0x59/0x60 [ 49.401995] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.402854] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.403815] bpf_prog_alloc+0x39/0x200 [ 49.404532] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.405460] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.406292] do_seccomp+0x349/0x25e0 [ 49.407001] ? find_held_lock+0x2b/0x80 [ 49.407749] ? do_prlimit+0x310/0x610 [ 49.408471] ? __pfx_do_seccomp+0x10/0x10 [ 49.409195] ? do_raw_spin_unlock+0x53/0x220 [ 49.410000] ? _raw_spin_unlock+0x1e/0x40 [ 49.410757] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.411709] ? static_key_count+0x60/0x80 [ 49.412491] prctl_set_seccomp+0x4e/0x70 [ 49.413199] __do_sys_prctl+0xe6c/0x1d70 [ 49.413972] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.414819] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.415767] ? irqentry_exit+0xf3/0x650 [ 49.416509] do_syscall_64+0xbf/0x430 [ 49.417182] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.418112] RIP: 0033:0x7fc0953cd5cd [ 49.418788] 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 [ 49.421899] RSP: 002b:00007ffd6a566290 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.423258] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0953cd5cd [ 49.424516] RDX: 000055f4f53b6e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.425769] RBP: 00007ffd6a5662f0 R08: 0000000000000000 R09: 00007ffd6a565990 [ 49.427037] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f518833bf0 [ 49.428200] R13: 00007ffd6a566720 R14: 000055f51883d380 R15: 000055f518848460 [ 49.429264] [ 49.429644] irq event stamp: 2141 [ 49.430144] hardirqs last enabled at (2149): [] __up_console_sem+0x78/0x80 [ 49.431423] hardirqs last disabled at (2160): [] sysvec_apic_timer_interrupt+0xf/0x80 [ 49.432783] softirqs last enabled at (1724): [] handle_softirqs+0x50c/0x770 [ 49.434050] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 49.435290] ---[ end trace 0000000000000000 ]--- [ 50.286437] ------------[ cut here ]------------ [ 50.287183] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.288853] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.290060] Modules linked in: [ 50.290596] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.292475] Tainted: [W]=WARN [ 50.292939] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.294222] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.294990] 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 [ 50.297636] RSP: 0018:ffff88801983fbc0 EFLAGS: 00010286 [ 50.298456] RAX: 0000000000000000 RBX: ffffed1003307f78 RCX: ffffffff813a4050 [ 50.299519] RDX: ffff888013e68000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.300598] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003307f2f [ 50.301655] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.302740] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801983fdf8 [ 50.303814] FS: 00007fde35bcf900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.305000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.305880] CR2: 00007ffefacb1ef7 CR3: 000000001f876000 CR4: 0000000000350ef0 [ 50.306943] Call Trace: [ 50.307339] [ 50.307710] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.308453] ? __create_object+0x59/0x80 [ 50.309066] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.309877] ? irqentry_exit+0x17b/0x650 [ 50.310523] __vmalloc_noprof+0x59/0x60 [ 50.311123] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.311859] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.312642] bpf_prog_alloc+0x39/0x200 [ 50.313224] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.313995] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.314740] do_seccomp+0x349/0x25e0 [ 50.315322] ? find_held_lock+0x2b/0x80 [ 50.315947] ? do_prlimit+0x310/0x610 [ 50.316557] ? __pfx_do_seccomp+0x10/0x10 [ 50.317182] ? do_raw_spin_unlock+0x53/0x220 [ 50.317869] ? _raw_spin_unlock+0x1e/0x40 [ 50.318515] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.319306] ? static_key_count+0x60/0x80 [ 50.319976] prctl_set_seccomp+0x4e/0x70 [ 50.320629] __do_sys_prctl+0xe6c/0x1d70 [ 50.321239] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.321943] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.322743] ? irqentry_exit+0xf3/0x650 [ 50.323366] do_syscall_64+0xbf/0x430 [ 50.323977] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.324767] RIP: 0033:0x7fde360c15cd [ 50.325313] 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 [ 50.327940] RSP: 002b:00007ffefacb05c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.329058] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fde360c15cd [ 50.330111] RDX: 000055d94ee40e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.331169] RBP: 00007ffefacb0620 R08: 0000000000000000 R09: 00007ffefacafcc0 [ 50.332241] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d9677dbad0 [ 50.333295] R13: 00007ffefacb0a50 R14: 000055d9677dcbc0 R15: 000055d9677ed780 [ 50.334360] [ 50.334732] irq event stamp: 1781 [ 50.335238] hardirqs last enabled at (1789): [] __up_console_sem+0x78/0x80 [ 50.336504] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 50.337769] softirqs last enabled at (1806): [] handle_softirqs+0x50c/0x770 [ 50.339060] softirqs last disabled at (1797): [] __irq_exit_rcu+0xc4/0x100 [ 50.340302] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:50255' (ECDSA) to the list of known hosts. 2025/11/17 10:37:17 fuzzer started 2025/11/17 10:37:17 dialing manager at localhost:37895 2025/11/17 10:37:17 checking machine... 2025/11/17 10:37:17 checking revisions... [ 51.222849] kmemleak: Automatic memory scanning thread ended 2025/11/17 10:37:18 testing simple program... [ 51.328047] cgroup: Unknown subsys name 'net' [ 51.389082] cgroup: Unknown subsys name 'cpuset' [ 51.408685] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 10:37:17 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88801654f990 R8 =0000000000000000 R9 =0000000000000000 R10=ffff88801654faf0 R11=0000000000000000 R12=0000000000000002 R13=ffffffff8135e4bd R14=0000000000000000 R15=ffff88801654faf0 RIP=ffffffff81b2d128 RFL=00000286 [--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 00007fc094edb900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc095492618 CR3=000000001f93b000 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=2036313a37333a303120373120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732036313a37333a3031203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001f951 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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=00007f58baefc028 CR3=000000000cce7000 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=e1023b014dab1a89cd4b594e1398ee94 XMM02=0000000000303ef8ec2efd57dc4c00df XMM03=000000000030e8a076534ff37849aac1 XMM04=485526344c99a9cf00000000000ae988 XMM05=07c8bb74b6c04a44000000000031ee80 XMM06=c376a1fd315c15b00000000000318d58 XMM07=e042d86d42eb936e000000000030eb78 XMM08=76534ff37849aac10000000000303f58 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000