Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.983399] ------------[ cut here ]------------ [ 38.984424] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.986728] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/231 [ 38.988377] Modules linked in: [ 38.989041] CPU: 1 UID: 104 PID: 231 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.991576] Tainted: [W]=WARN [ 38.992325] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.994007] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.995052] 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 [ 38.998714] RSP: 0018:ffff88800bfdfbc0 EFLAGS: 00010286 [ 38.999833] RAX: 0000000000000000 RBX: ffffed10017fbf78 RCX: ffffffff813a4050 [ 39.001291] RDX: ffff88801715b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.002774] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10017fbf2f [ 39.004251] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.005711] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800bfdfdf8 [ 39.007185] FS: 00007f527604d900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.008832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.010033] CR2: 00007fff69cafef7 CR3: 000000000ba92000 CR4: 0000000000350ef0 [ 39.011328] Call Trace: [ 39.011780] [ 39.012232] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.013063] ? __create_object+0x59/0x80 [ 39.013827] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.014776] __vmalloc_noprof+0x59/0x60 [ 39.015528] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.016377] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.017289] bpf_prog_alloc+0x39/0x200 [ 39.017958] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.018875] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.019749] do_seccomp+0x349/0x25e0 [ 39.020450] ? find_held_lock+0x2b/0x80 [ 39.021194] ? do_prlimit+0x310/0x610 [ 39.021881] ? __pfx_do_seccomp+0x10/0x10 [ 39.022662] ? do_raw_spin_unlock+0x53/0x220 [ 39.023466] ? _raw_spin_unlock+0x1e/0x40 [ 39.024223] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.025161] ? static_key_count+0x60/0x80 [ 39.025894] prctl_set_seccomp+0x4e/0x70 [ 39.026653] __do_sys_prctl+0xe6c/0x1d70 [ 39.027415] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.028260] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.029193] ? irqentry_exit+0xf3/0x650 [ 39.029894] do_syscall_64+0xbf/0x430 [ 39.030611] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.031529] RIP: 0033:0x7f527653f5cd [ 39.032212] 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 [ 39.035285] RSP: 002b:00007fff69cad400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.036596] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f527653f5cd [ 39.037834] RDX: 00005651fd099e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.039102] RBP: 00007fff69cad460 R08: 0000000000000000 R09: 00007fff69cacb00 [ 39.040382] R10: 0000000000000000 R11: 0000000000000246 R12: 000056523435eb10 [ 39.041645] R13: 00007fff69cad890 R14: 000056523435f2b0 R15: 00005652343736f0 [ 39.042954] [ 39.043418] irq event stamp: 1831 [ 39.044043] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 39.045595] hardirqs last disabled at (1850): [] __up_console_sem+0x5d/0x80 [ 39.047124] softirqs last enabled at (1434): [] handle_softirqs+0x50c/0x770 [ 39.048666] softirqs last disabled at (1425): [] __irq_exit_rcu+0xc4/0x100 [ 39.050179] ---[ end trace 0000000000000000 ]--- [ 42.401754] ------------[ cut here ]------------ [ 42.402723] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.404781] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 42.406280] Modules linked in: [ 42.406895] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.408912] Tainted: [W]=WARN [ 42.409519] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.411022] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.411972] 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 [ 42.415328] RSP: 0018:ffff88800f127bc0 EFLAGS: 00010286 [ 42.416324] RAX: 0000000000000000 RBX: ffffed1001e24f78 RCX: ffffffff813a4050 [ 42.417615] RDX: ffff88800f1d9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.418911] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e24f2f [ 42.420198] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.421494] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f127df8 [ 42.422807] FS: 00007f7fdb005900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.424261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.425405] CR2: 00007f7fdb4f7580 CR3: 000000000ba11000 CR4: 0000000000350ef0 [ 42.426812] Call Trace: [ 42.427358] [ 42.427808] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.428776] ? __create_object+0x59/0x80 [ 42.429614] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.430669] __vmalloc_noprof+0x59/0x60 [ 42.431477] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.432417] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.433417] bpf_prog_alloc+0x39/0x200 [ 42.434206] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.435222] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.436192] do_seccomp+0x349/0x25e0 [ 42.436921] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.437891] ? __pfx_do_seccomp+0x10/0x10 [ 42.438758] ? find_held_lock+0x2b/0x80 [ 42.439585] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.440622] ? static_key_count+0x60/0x80 [ 42.441469] prctl_set_seccomp+0x4e/0x70 [ 42.442317] __do_sys_prctl+0xe6c/0x1d70 [ 42.443165] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.444038] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.445072] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.446136] ? irqentry_exit+0xf3/0x650 [ 42.446868] do_syscall_64+0xbf/0x430 [ 42.447523] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.448364] RIP: 0033:0x7f7fdb4f75cd [ 42.448945] 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 [ 42.451764] RSP: 002b:00007ffdc834f690 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.452978] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7fdb4f75cd [ 42.454106] RDX: 000055df0fc7fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.455255] RBP: 00007ffdc834f6f0 R08: 0000000000000000 R09: 00007ffdc834ed90 [ 42.456381] R10: 0000000000000000 R11: 0000000000000246 R12: 000055df213882b0 [ 42.457505] R13: 00007ffdc834fb20 R14: 000055df2138ad20 R15: 000055df2139c8d0 [ 42.458660] [ 42.459035] irq event stamp: 1723 [ 42.459617] hardirqs last enabled at (1733): [] __up_console_sem+0x78/0x80 [ 42.460971] hardirqs last disabled at (1742): [] __up_console_sem+0x5d/0x80 [ 42.462323] softirqs last enabled at (1510): [] handle_softirqs+0x50c/0x770 [ 42.463704] softirqs last disabled at (1505): [] __irq_exit_rcu+0xc4/0x100 [ 42.465046] ---[ end trace 0000000000000000 ]--- [ 43.214361] ------------[ cut here ]------------ [ 43.215298] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.217250] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 43.218781] Modules linked in: [ 43.219957] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.221901] Tainted: [W]=WARN [ 43.222511] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.223949] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.224848] 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 [ 43.227976] RSP: 0018:ffff888019c27bc0 EFLAGS: 00010286 [ 43.228926] RAX: 0000000000000000 RBX: ffffed1003384f78 RCX: ffffffff813a4050 [ 43.230174] RDX: ffff888016ff0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.231464] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003384f2f [ 43.232717] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.233965] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c27df8 [ 43.235253] FS: 00007f05c345c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.236663] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.237701] CR2: 00007ffd5f6dcef7 CR3: 000000000cb6c000 CR4: 0000000000350ef0 [ 43.238975] Call Trace: [ 43.239464] [ 43.239866] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.240742] ? __create_object+0x59/0x80 [ 43.241500] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.242490] __vmalloc_noprof+0x59/0x60 [ 43.243232] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.244039] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.244945] bpf_prog_alloc+0x39/0x200 [ 43.245661] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.246598] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.247476] do_seccomp+0x349/0x25e0 [ 43.248177] ? find_held_lock+0x2b/0x80 [ 43.248874] ? do_prlimit+0x310/0x610 [ 43.249599] ? __pfx_do_seccomp+0x10/0x10 [ 43.250409] ? do_raw_spin_unlock+0x53/0x220 [ 43.251228] ? _raw_spin_unlock+0x1e/0x40 [ 43.251952] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.252891] ? static_key_count+0x60/0x80 [ 43.253660] prctl_set_seccomp+0x4e/0x70 [ 43.254451] __do_sys_prctl+0xe6c/0x1d70 [ 43.255214] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.256010] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.256955] ? irqentry_exit+0xf3/0x650 [ 43.257706] do_syscall_64+0xbf/0x430 [ 43.258459] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.259387] RIP: 0033:0x7f05c394e5cd [ 43.260028] 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 [ 43.263162] RSP: 002b:00007ffd5f6db3b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.264491] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f05c394e5cd [ 43.265737] RDX: 000055d76ce61e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.267026] RBP: 00007ffd5f6db410 R08: 0000000000000000 R09: 00007ffd5f6daab0 [ 43.268272] R10: 0000000000000000 R11: 0000000000000246 R12: 000055d7792dcad0 [ 43.269517] R13: 00007ffd5f6db840 R14: 000055d7792ddbc0 R15: 000055d7792ee780 [ 43.270817] [ 43.271280] irq event stamp: 1739 [ 43.271874] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 43.273364] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 43.274893] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 43.276404] softirqs last disabled at (1731): [] __irq_exit_rcu+0xc4/0x100 [ 43.277885] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:13240' (ECDSA) to the list of known hosts. 2025/11/18 19:14:07 fuzzer started 2025/11/18 19:14:07 dialing manager at localhost:34383 2025/11/18 19:14:07 checking machine... 2025/11/18 19:14:07 checking revisions... [ 44.147431] kmemleak: Automatic memory scanning thread ended 2025/11/18 19:14:07 testing simple program... [ 44.229356] cgroup: Unknown subsys name 'net' [ 44.291618] cgroup: Unknown subsys name 'cpuset' [ 44.308051] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 19:14:06 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff888015157c38 RCX=ffffffff81bc64e7 RDX=ffff888016a49bc0 RSI=0000000000000000 RDI=0000000000000005 RBP=ffff8880151579d8 RSP=ffff8880151578d8 R8 =0000000000000000 R9 =ffffed10012044f9 R10=0000000000008000 R11=0000000000000001 R12=ffff888015157c7c R13=000000000010a000 R14=ffff888009022758 R15=0000000000008000 RIP=ffffffff81751e00 RFL=00000206 [-----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 00007f643fb78900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7fdb5ba650 CR3=000000000dc1f000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=88e5f130efc955c400000000000ae988 XMM05=6349f7b81316b64f000000000031f378 XMM06=474038aa6c007e1f000000000031da00 XMM07=00000000000000000000000000000000 XMM08=415453454d49545f454d49544c414552 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffffffff0d1f298 RBX=ffffffff868f94c0 RCX=ffffffff83c60fd2 RDX=0000000000000000 RSI=ffffffff86d75818 RDI=ffffffff868f94ac RBP=ffffffff868f94ac RSP=ffff888017a87860 R8 =ffffffff86d75818 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a3c4 R12=ffffffff868f94d4 R13=ffffffff868f94ac R14=ffffffff868f94ac R15=dffffc0000000000 RIP=ffffffff8135daaf RFL=00000212 [----A--] 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 00007f7fdb005900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdc8349000 CR3=000000000e799000 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=ffffffffffffffffffff000000000000 XMM01=000000000000003635006b6f6c6c756e XMM02=62003d73646e756f7200323135616873 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000202020 XMM09=ff0000ffffffffffff00000000ffffff XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000