[ 46.712408] ------------[ cut here ]------------ [ 46.713348] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.715383] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 46.717037] Modules linked in: [ 46.717703] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 46.719647] Tainted: [W]=WARN [ 46.720247] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.721691] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.722581] 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 [ 46.725674] RSP: 0018:ffff88801619fbc0 EFLAGS: 00010286 [ 46.726640] RAX: 0000000000000000 RBX: ffffed1002c33f78 RCX: ffffffff813a4050 [ 46.727906] RDX: ffff88800f430000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.729179] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c33f2f [ 46.730463] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.731717] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801619fdf8 [ 46.732994] FS: 00007f0dd156f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.734409] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.735456] CR2: 00007f0dd1ad54a6 CR3: 000000000b811000 CR4: 0000000000350ef0 [ 46.736715] Call Trace: [ 46.737212] [ 46.737617] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.738491] ? __create_object+0x59/0x80 [ 46.739261] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.740173] __vmalloc_noprof+0x59/0x60 [ 46.740956] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.741822] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.742735] bpf_prog_alloc+0x39/0x200 [ 46.743466] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.744383] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.745298] do_seccomp+0x349/0x25e0 [ 46.745968] ? find_held_lock+0x2b/0x80 [ 46.746722] ? do_prlimit+0x310/0x610 [ 46.747449] ? __pfx_do_seccomp+0x10/0x10 [ 46.748228] ? do_raw_spin_unlock+0x53/0x220 [ 46.749028] ? _raw_spin_unlock+0x1e/0x40 [ 46.749805] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.750750] ? static_key_count+0x60/0x80 [ 46.751550] prctl_set_seccomp+0x4e/0x70 [ 46.752321] __do_sys_prctl+0xe6c/0x1d70 [ 46.753074] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.753920] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.754870] ? irqentry_exit+0xf3/0x650 [ 46.755638] do_syscall_64+0xbf/0x430 [ 46.756367] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.757325] RIP: 0033:0x7f0dd1a615cd [ 46.757972] 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 [ 46.761085] RSP: 002b:00007ffcdf2e40f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.762414] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0dd1a615cd [ 46.763696] RDX: 000055f98ccf9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.764969] RBP: 00007ffcdf2e4150 R08: 0000000000000000 R09: 00007ffcdf2e37f0 [ 46.766225] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f990880ad0 [ 46.767486] R13: 00007ffcdf2e4580 R14: 000055f990881bc0 R15: 000055f990892780 [ 46.768774] [ 46.769239] irq event stamp: 1795 [ 46.769834] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 46.771317] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 46.772804] softirqs last enabled at (1500): [] handle_softirqs+0x50c/0x770 [ 46.774344] softirqs last disabled at (1495): [] __irq_exit_rcu+0xc4/0x100 [ 46.775840] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 50.243080] ------------[ cut here ]------------ [ 50.244007] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.246050] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 50.247516] Modules linked in: [ 50.248104] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.250383] Tainted: [W]=WARN [ 50.250941] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.252504] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.253442] 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 [ 50.256632] RSP: 0018:ffff888016c3fbc0 EFLAGS: 00010286 [ 50.257626] RAX: 0000000000000000 RBX: ffffed1002d87f78 RCX: ffffffff813a4050 [ 50.258901] RDX: ffff888015cd9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.260212] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d87f2f [ 50.261511] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.262795] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016c3fdf8 [ 50.264111] FS: 00007f5aff07d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 50.265579] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.266656] CR2: 00007ffe44949ef7 CR3: 000000000daff000 CR4: 0000000000350ef0 [ 50.267954] Call Trace: [ 50.268471] [ 50.268888] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.269815] ? __create_object+0x59/0x80 [ 50.270606] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.271585] __vmalloc_noprof+0x59/0x60 [ 50.272340] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.273178] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.274132] bpf_prog_alloc+0x39/0x200 [ 50.274879] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.275811] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.276733] do_seccomp+0x349/0x25e0 [ 50.277475] ? find_held_lock+0x2b/0x80 [ 50.278242] ? do_prlimit+0x310/0x610 [ 50.278952] ? __pfx_do_seccomp+0x10/0x10 [ 50.279747] ? do_raw_spin_unlock+0x53/0x220 [ 50.280574] ? _raw_spin_unlock+0x1e/0x40 [ 50.281383] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.282355] ? static_key_count+0x60/0x80 [ 50.283122] prctl_set_seccomp+0x4e/0x70 [ 50.283914] __do_sys_prctl+0xe6c/0x1d70 [ 50.284715] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.285592] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.286566] ? irqentry_exit+0xf3/0x650 [ 50.287322] do_syscall_64+0xbf/0x430 [ 50.288022] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.288995] RIP: 0033:0x7f5aff56f5cd [ 50.289703] 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 [ 50.292915] RSP: 002b:00007ffe44948d70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.294280] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5aff56f5cd [ 50.295568] RDX: 000055e25b908e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.296868] RBP: 00007ffe44948dd0 R08: 0000000000000000 R09: 00007ffe44948470 [ 50.298167] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e275a4bad0 [ 50.299470] R13: 00007ffe44949200 R14: 000055e275a4cbc0 R15: 000055e275a5d780 [ 50.300773] [ 50.301248] irq event stamp: 1813 [ 50.301859] hardirqs last enabled at (1821): [] __up_console_sem+0x78/0x80 [ 50.303386] hardirqs last disabled at (1830): [] __up_console_sem+0x5d/0x80 [ 50.304915] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770 [ 50.306475] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100 [ 50.307991] ---[ end trace 0000000000000000 ]--- [ 51.092004] ------------[ cut here ]------------ [ 51.093091] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 51.095426] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/249 [ 51.097161] Modules linked in: [ 51.097878] CPU: 1 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 51.100445] Tainted: [W]=WARN [ 51.101116] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.102904] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 51.103975] 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 [ 51.107674] RSP: 0018:ffff88800ac1fbc0 EFLAGS: 00010286 [ 51.108824] RAX: 0000000000000000 RBX: ffffed1001583f78 RCX: ffffffff813a4050 [ 51.110336] RDX: ffff888015c93780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 51.111843] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001583f2f [ 51.113371] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 51.114874] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800ac1fdf8 [ 51.116363] FS: 00007f7fd022c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 51.118062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.119309] CR2: 00007fffeac0cef7 CR3: 000000000e75a000 CR4: 0000000000350ef0 [ 51.120812] Call Trace: [ 51.121341] [ 51.121753] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 51.122634] ? __create_object+0x59/0x80 [ 51.123406] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 51.124386] __vmalloc_noprof+0x59/0x60 [ 51.125113] bpf_prog_alloc_no_stats+0x55/0x470 [ 51.125973] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.126883] bpf_prog_alloc+0x39/0x200 [ 51.127620] ? __pfx_seccomp_check_filter+0x10/0x10 [ 51.128539] bpf_prog_create_from_user+0xb2/0x2f0 [ 51.129429] do_seccomp+0x349/0x25e0 [ 51.130098] ? find_held_lock+0x2b/0x80 [ 51.130851] ? do_prlimit+0x310/0x610 [ 51.131575] ? __pfx_do_seccomp+0x10/0x10 [ 51.132352] ? do_raw_spin_unlock+0x53/0x220 [ 51.133138] ? _raw_spin_unlock+0x1e/0x40 [ 51.133898] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 51.134830] ? static_key_count+0x60/0x80 [ 51.135622] prctl_set_seccomp+0x4e/0x70 [ 51.136384] __do_sys_prctl+0xe6c/0x1d70 [ 51.137122] ? __pfx___do_sys_prctl+0x10/0x10 [ 51.137966] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 51.138928] ? irqentry_exit+0xf3/0x650 [ 51.139679] do_syscall_64+0xbf/0x430 [ 51.140421] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.141381] RIP: 0033:0x7f7fd071e5cd [ 51.142027] 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 [ 51.145137] RSP: 002b:00007fffeac0ae90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 51.146468] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7fd071e5cd [ 51.147732] RDX: 00005633125c8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 51.148997] RBP: 00007fffeac0aef0 R08: 0000000000000000 R09: 00007fffeac0a590 [ 51.150252] R10: 0000000000000000 R11: 0000000000000246 R12: 000056334eff32b0 [ 51.151521] R13: 00007fffeac0b320 R14: 000056334eff5d20 R15: 000056334f0078d0 [ 51.152789] [ 51.153243] irq event stamp: 1843 [ 51.153842] hardirqs last enabled at (1851): [] __up_console_sem+0x78/0x80 [ 51.155335] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 51.156818] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 51.158321] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 51.159796] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:43980' (ECDSA) to the list of known hosts. 2025/11/17 12:26:43 fuzzer started 2025/11/17 12:26:44 dialing manager at localhost:37895 2025/11/17 12:26:44 checking machine... 2025/11/17 12:26:44 checking revisions... [ 52.047517] kmemleak: Automatic memory scanning thread ended 2025/11/17 12:26:44 testing simple program... [ 52.143481] cgroup: Unknown subsys name 'net' [ 52.230737] cgroup: Unknown subsys name 'cpuset' [ 52.251677] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:26:43 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000000 RCX=0000000000000002 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=ffffffff85e1ffe0 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08988 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a70 RIP=ffffffff815292f7 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 00007f5aff07d900 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=00007ffe44942000 CR3=000000001f157000 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=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888009757908 RCX=ffff888009757794 RDX=1ffff110012eaf23 RSI=ffffffff813c0e01 RDI=ffff888009757918 RBP=ffff8880097578d8 RSP=ffff888009757820 R8 =0000000000000001 R9 =ffff888009757880 R10=000000000003c9ed R11=0000000000011d83 R12=ffff888009757908 R13=0000000000000000 R14=ffff8880096fb780 R15=ffff888008c4b780 RIP=ffffffff81618fc6 RFL=00000282 [--S----] 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 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=00007fff96ccd428 CR3=000000000b853000 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=2033343a36323a323120373120766f4e XMM01=657463656e6e6f63736944203a5d3034 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3034325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032343a36323a3231203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000