[ 39.388044] ------------[ cut here ]------------ [ 39.389063] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.391239] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.393085] Modules linked in: [ 39.393738] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.396008] Tainted: [W]=WARN [ 39.396619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.398227] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.399242] 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 [ 39.402714] RSP: 0018:ffff888017b97bc0 EFLAGS: 00010286 [ 39.403797] RAX: 0000000000000000 RBX: ffffed1002f72f78 RCX: ffffffff813a4050 [ 39.405197] RDX: ffff888016015340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.406577] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f72f2f [ 39.408000] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.409384] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017b97df8 [ 39.410789] FS: 00007f6ca8e26900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.412362] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.413525] CR2: 00007f6ca9318580 CR3: 000000000df8e000 CR4: 0000000000350ef0 [ 39.414953] Call Trace: [ 39.415503] [ 39.415950] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.416932] ? __create_object+0x59/0x80 [ 39.417785] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.418851] __vmalloc_noprof+0x59/0x60 [ 39.419689] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.420643] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.421676] bpf_prog_alloc+0x39/0x200 [ 39.422489] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.423515] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.424513] do_seccomp+0x349/0x25e0 [ 39.425305] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.426283] ? __pfx_do_seccomp+0x10/0x10 [ 39.427155] ? find_held_lock+0x2b/0x80 [ 39.427934] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.429037] ? static_key_count+0x60/0x80 [ 39.429863] prctl_set_seccomp+0x4e/0x70 [ 39.430711] __do_sys_prctl+0xe6c/0x1d70 [ 39.431556] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.432479] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.433532] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.434587] ? irqentry_exit+0xf3/0x650 [ 39.435631] do_syscall_64+0xbf/0x430 [ 39.436415] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.437383] RIP: 0033:0x7f6ca93185cd [ 39.438088] 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 [ 39.441284] RSP: 002b:00007fff45127ff0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.442669] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ca93185cd [ 39.443953] RDX: 0000556821419e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.445297] RBP: 00007fff45128050 R08: 0000000000000000 R09: 00007fff451276f0 [ 39.446589] R10: 0000000000000000 R11: 0000000000000246 R12: 000055683cd89ad0 [ 39.447898] R13: 00007fff45128480 R14: 000055683cd8abc0 R15: 000055683cd9b780 [ 39.449209] [ 39.449636] irq event stamp: 1845 [ 39.450285] hardirqs last enabled at (1855): [] __up_console_sem+0x78/0x80 [ 39.451729] hardirqs last disabled at (1864): [] __up_console_sem+0x5d/0x80 [ 39.453017] softirqs last enabled at (1804): [] handle_softirqs+0x50c/0x770 [ 39.454327] softirqs last disabled at (1799): [] __irq_exit_rcu+0xc4/0x100 [ 39.455614] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 42.959646] ------------[ cut here ]------------ [ 42.960466] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.962112] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.963324] Modules linked in: [ 42.963812] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.965602] Tainted: [W]=WARN [ 42.966116] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.967354] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.968118] 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 [ 42.970751] RSP: 0018:ffff888016dc7bc0 EFLAGS: 00010286 [ 42.971571] RAX: 0000000000000000 RBX: ffffed1002db8f78 RCX: ffffffff813a4050 [ 42.972632] RDX: ffff88801617d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.973693] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db8f2f [ 42.974766] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.975831] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dc7df8 [ 42.976889] FS: 00007f8942c1c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.978084] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.978938] CR2: 00007ffd80e46ef8 CR3: 000000001ebe7000 CR4: 0000000000350ef0 [ 42.980004] Call Trace: [ 42.980389] [ 42.980726] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.981481] ? __create_object+0x59/0x80 [ 42.982129] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.982908] __vmalloc_noprof+0x59/0x60 [ 42.983536] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.984277] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.985054] bpf_prog_alloc+0x39/0x200 [ 42.985626] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.986393] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.987146] do_seccomp+0x349/0x25e0 [ 42.987708] ? find_held_lock+0x2b/0x80 [ 42.988340] ? do_prlimit+0x310/0x610 [ 42.988917] ? __pfx_do_seccomp+0x10/0x10 [ 42.989569] ? do_raw_spin_unlock+0x53/0x220 [ 42.990263] ? _raw_spin_unlock+0x1e/0x40 [ 42.990885] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.991678] ? static_key_count+0x60/0x80 [ 42.992345] prctl_set_seccomp+0x4e/0x70 [ 42.992947] __do_sys_prctl+0xe6c/0x1d70 [ 42.993596] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.994306] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.995131] ? irqentry_exit+0xf3/0x650 [ 42.995726] do_syscall_64+0xbf/0x430 [ 42.996343] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.997140] RIP: 0033:0x7f894310e5cd [ 42.997688] 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 [ 43.000330] RSP: 002b:00007ffd80e45380 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.001456] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f894310e5cd [ 43.002519] RDX: 0000565203f8ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.003596] RBP: 00007ffd80e453e0 R08: 0000000000000000 R09: 00007ffd80e44a80 [ 43.004650] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565230308ad0 [ 43.005713] R13: 00007ffd80e45810 R14: 0000565230309bc0 R15: 000056523031a780 [ 43.006803] [ 43.007187] irq event stamp: 1943 [ 43.007698] hardirqs last enabled at (1951): [] __up_console_sem+0x78/0x80 [ 43.008991] hardirqs last disabled at (1960): [] __up_console_sem+0x5d/0x80 [ 43.010271] softirqs last enabled at (1510): [] handle_softirqs+0x50c/0x770 [ 43.011586] softirqs last disabled at (1495): [] __irq_exit_rcu+0xc4/0x100 [ 43.012863] ---[ end trace 0000000000000000 ]--- [ 43.810599] ------------[ cut here ]------------ [ 43.811555] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.813524] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 43.814997] Modules linked in: [ 43.815596] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.817575] Tainted: [W]=WARN [ 43.818193] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.819905] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.820898] 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 [ 43.824102] RSP: 0018:ffff88801a07fbc0 EFLAGS: 00010286 [ 43.825074] RAX: 0000000000000000 RBX: ffffed100340ff78 RCX: ffffffff813a4050 [ 43.826355] RDX: ffff88801c2f0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.827642] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100340ff2f [ 43.828907] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.830196] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a07fdf8 [ 43.831496] FS: 00007fcef8da0900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.832954] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.834027] CR2: 00007ffd66c2eef8 CR3: 000000000cd75000 CR4: 0000000000350ef0 [ 43.835332] Call Trace: [ 43.835796] [ 43.836238] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.837133] ? __create_object+0x59/0x80 [ 43.837875] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.838859] __vmalloc_noprof+0x59/0x60 [ 43.839623] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.840504] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.841451] bpf_prog_alloc+0x39/0x200 [ 43.842183] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.843137] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.844042] do_seccomp+0x349/0x25e0 [ 43.844721] ? find_held_lock+0x2b/0x80 [ 43.845478] ? do_prlimit+0x310/0x610 [ 43.846231] ? __pfx_do_seccomp+0x10/0x10 [ 43.847049] ? do_raw_spin_unlock+0x53/0x220 [ 43.847825] ? _raw_spin_unlock+0x1e/0x40 [ 43.848601] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.849562] ? static_key_count+0x60/0x80 [ 43.850372] prctl_set_seccomp+0x4e/0x70 [ 43.851171] __do_sys_prctl+0xe6c/0x1d70 [ 43.851923] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.852780] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.853748] ? irqentry_exit+0xf3/0x650 [ 43.854501] do_syscall_64+0xbf/0x430 [ 43.855283] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.856236] RIP: 0033:0x7fcef92925cd [ 43.856899] 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 [ 43.860071] RSP: 002b:00007ffd66c2cb90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.861424] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcef92925cd [ 43.862727] RDX: 00005624392e8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.864014] RBP: 00007ffd66c2cbf0 R08: 0000000000000000 R09: 00007ffd66c2c290 [ 43.865304] R10: 0000000000000000 R11: 0000000000000246 R12: 000056245605aad0 [ 43.866597] R13: 00007ffd66c2d020 R14: 000056245605bbc0 R15: 000056245606c780 [ 43.867906] [ 43.868379] irq event stamp: 1811 [ 43.869028] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 43.870557] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 43.872084] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 43.873617] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 43.875135] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:26970' (ECDSA) to the list of known hosts. 2025/11/19 07:56:41 fuzzer started 2025/11/19 07:56:41 dialing manager at localhost:34383 2025/11/19 07:56:41 checking machine... 2025/11/19 07:56:41 checking revisions... [ 44.748096] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:56:41 testing simple program... [ 44.833313] cgroup: Unknown subsys name 'net' [ 44.886795] cgroup: Unknown subsys name 'cpuset' [ 44.899932] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:56:40 Registers: info registers vcpu 0 RAX=ffffffff81b2d6b3 RBX=ffffffff86726364 RCX=ffffffff81b2d6a9 RDX=0000000000000000 RSI=ffffffff86ab8dd8 RDI=ffffffff8672632c RBP=ffffffff8672635c RSP=ffff88806ce089c8 R8 =ffffffff86ab8dd8 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000025764 R12=ffffffff86726360 R13=ffffffff8672632c R14=ffffffff86726358 R15=dffffc0000000000 RIP=ffffffff8135dad2 RFL=00000287 [--S--PC] 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 00007f8942c1c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd80e3f000 CR3=000000000d100000 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=2030343a36353a373020393120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030343a36353a3730203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000001e52b 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=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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ff9a508e000 CR3=00000000160dd000 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=8bf2b0987e5f9494554260212d774e25 XMM02=2c67c8bc2e329bc300000000002fffd8 XMM03=fb795ef6d6577056000000000030c270 XMM04=7638d929d8583cc600000000000ae988 XMM05=090f1556b20111b3000000000031d308 XMM06=5b75c91c80445342000000000031d190 XMM07=e042d86d42eb936e000000000030c548 XMM08=2b25d73f819d2ab70000000000300038 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000