Debian GNU/Linux 11 syzkaller ttyS0 [ 46.230068] ------------[ cut here ]------------ syzkaller[ 46.230845] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.232747] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 46.233979] Modules linked in: [ 46.234479] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) login: [ 46.236114] Tainted: [W]=WARN [ 46.236665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.237873] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.238604] 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 [ 46.241265] RSP: 0018:ffff888016527bc0 EFLAGS: 00010286 [ 46.242089] RAX: 0000000000000000 RBX: ffffed1002ca4f78 RCX: ffffffff813a4050 [ 46.243163] RDX: ffff88801b945340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.244228] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ca4f2f [ 46.245286] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.246358] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016527df8 [ 46.247430] FS: 00007f7e46fd5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 46.248629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.249505] CR2: 00007f7e474c7580 CR3: 000000000aa9b000 CR4: 0000000000350ef0 [ 46.250583] Call Trace: [ 46.251010] [ 46.251360] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.252111] ? __create_object+0x59/0x80 [ 46.252766] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.253544] __vmalloc_noprof+0x59/0x60 [ 46.254181] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.254905] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.255647] bpf_prog_alloc+0x39/0x200 [ 46.256264] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.257036] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.257775] do_seccomp+0x349/0x25e0 [ 46.258336] ? __pfx_css_rstat_updated+0x10/0x10 [ 46.259091] ? __pfx_do_seccomp+0x10/0x10 [ 46.259746] ? find_held_lock+0x2b/0x80 [ 46.260345] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.261147] ? static_key_count+0x60/0x80 [ 46.261809] prctl_set_seccomp+0x4e/0x70 [ 46.262425] __do_sys_prctl+0xe6c/0x1d70 [ 46.263085] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.263795] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.264558] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.265359] ? irqentry_exit+0xf3/0x650 [ 46.265984] do_syscall_64+0xbf/0x430 [ 46.266557] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.267359] RIP: 0033:0x7f7e474c75cd [ 46.267947] 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 [ 46.270583] RSP: 002b:00007ffd27ca2040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.271736] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7e474c75cd [ 46.272795] RDX: 00005621cdce1e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.273862] RBP: 00007ffd27ca20a0 R08: 0000000000000000 R09: 00007ffd27ca1740 [ 46.274935] R10: 0000000000000000 R11: 0000000000000246 R12: 00005622067ba2b0 [ 46.276004] R13: 00007ffd27ca24d0 R14: 00005622067bcd20 R15: 00005622067ce8d0 [ 46.277079] [ 46.277429] irq event stamp: 1777 [ 46.277961] hardirqs last enabled at (1787): [] __up_console_sem+0x78/0x80 [ 46.279244] hardirqs last disabled at (1796): [] __up_console_sem+0x5d/0x80 [ 46.280508] softirqs last enabled at (1596): [] handle_softirqs+0x50c/0x770 [ 46.281786] softirqs last disabled at (1591): [] __irq_exit_rcu+0xc4/0x100 [ 46.283051] ---[ end trace 0000000000000000 ]--- [ 49.412559] ------------[ cut here ]------------ [ 49.413498] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.415586] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 49.417030] Modules linked in: [ 49.417625] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.419639] Tainted: [W]=WARN [ 49.420239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.421739] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.422602] 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 [ 49.426002] RSP: 0018:ffff888016edfbc0 EFLAGS: 00010286 [ 49.427060] RAX: 0000000000000000 RBX: ffffed1002ddbf78 RCX: ffffffff813a4050 [ 49.428348] RDX: ffff88801723d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.429606] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ddbf2f [ 49.430902] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.432191] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016edfdf8 [ 49.433479] FS: 00007f1c32695900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.434916] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.435972] CR2: 00007f1c32b87580 CR3: 0000000007018000 CR4: 0000000000350ef0 [ 49.437270] Call Trace: [ 49.437777] [ 49.438188] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.439100] ? __create_object+0x59/0x80 [ 49.440401] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.441368] __vmalloc_noprof+0x59/0x60 [ 49.442134] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.443021] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.443969] bpf_prog_alloc+0x39/0x200 [ 49.444659] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.445570] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.446478] do_seccomp+0x349/0x25e0 [ 49.447201] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.448108] ? __pfx_do_seccomp+0x10/0x10 [ 49.448883] ? find_held_lock+0x2b/0x80 [ 49.449594] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.450548] ? static_key_count+0x60/0x80 [ 49.451349] prctl_set_seccomp+0x4e/0x70 [ 49.452117] __do_sys_prctl+0xe6c/0x1d70 [ 49.452901] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.453754] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.454675] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.455674] ? irqentry_exit+0xf3/0x650 [ 49.456456] do_syscall_64+0xbf/0x430 [ 49.457197] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.458160] RIP: 0033:0x7f1c32b875cd [ 49.458876] 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 [ 49.462040] RSP: 002b:00007fff758189f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.463425] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c32b875cd [ 49.464730] RDX: 000055a7c2579e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.466029] RBP: 00007fff75818a50 R08: 0000000000000000 R09: 00007fff758180f0 [ 49.467318] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a7c5cccad0 [ 49.468594] R13: 00007fff75818e80 R14: 000055a7c5ccdbc0 R15: 000055a7c5cde780 [ 49.469883] [ 49.470300] irq event stamp: 1799 [ 49.470969] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 49.472481] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 49.473993] softirqs last enabled at (1378): [] handle_softirqs+0x50c/0x770 [ 49.475566] softirqs last disabled at (1357): [] __irq_exit_rcu+0xc4/0x100 [ 49.477085] ---[ end trace 0000000000000000 ]--- [ 50.284400] ------------[ cut here ]------------ [ 50.285331] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 50.287361] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 50.288807] Modules linked in: [ 50.289390] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 50.291339] Tainted: [W]=WARN [ 50.291921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.293358] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 50.294255] 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 [ 50.297426] RSP: 0018:ffff8880164efbc0 EFLAGS: 00010286 [ 50.298401] RAX: 0000000000000000 RBX: ffffed1002c9df78 RCX: ffffffff813a4050 [ 50.299660] RDX: ffff88801c451bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 50.300916] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c9df2f [ 50.302189] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 50.303473] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880164efdf8 [ 50.304739] FS: 00007f4a43f47900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 50.306156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.307217] CR2: 00007ffec4218ef8 CR3: 0000000020301000 CR4: 0000000000350ef0 [ 50.308477] Call Trace: [ 50.308972] [ 50.309374] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 50.310266] ? __create_object+0x59/0x80 [ 50.311029] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 50.311967] __vmalloc_noprof+0x59/0x60 [ 50.312674] bpf_prog_alloc_no_stats+0x55/0x470 [ 50.313532] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.314447] bpf_prog_alloc+0x39/0x200 [ 50.315182] ? __pfx_seccomp_check_filter+0x10/0x10 [ 50.316115] bpf_prog_create_from_user+0xb2/0x2f0 [ 50.316995] do_seccomp+0x349/0x25e0 [ 50.317665] ? find_held_lock+0x2b/0x80 [ 50.318397] ? do_prlimit+0x310/0x610 [ 50.319126] ? __pfx_do_seccomp+0x10/0x10 [ 50.319899] ? do_raw_spin_unlock+0x53/0x220 [ 50.320684] ? _raw_spin_unlock+0x1e/0x40 [ 50.321444] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 50.322409] ? static_key_count+0x60/0x80 [ 50.323193] prctl_set_seccomp+0x4e/0x70 [ 50.323958] __do_sys_prctl+0xe6c/0x1d70 [ 50.324688] ? __pfx___do_sys_prctl+0x10/0x10 [ 50.325541] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 50.326503] ? irqentry_exit+0xf3/0x650 [ 50.327264] do_syscall_64+0xbf/0x430 [ 50.328002] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 50.328944] RIP: 0033:0x7f4a444395cd [ 50.329605] 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 [ 50.332729] RSP: 002b:00007ffec4216400 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 50.334069] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4a444395cd [ 50.335370] RDX: 00005645cec83e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 50.336645] RBP: 00007ffec4216460 R08: 0000000000000000 R09: 00007ffec4215b00 [ 50.337913] R10: 0000000000000000 R11: 0000000000000246 R12: 00005645d033e2b0 [ 50.339188] R13: 00007ffec4216890 R14: 00005645d0340d20 R15: 00005645d03528d0 [ 50.340459] [ 50.340909] irq event stamp: 1705 [ 50.341512] hardirqs last enabled at (1713): [] __up_console_sem+0x78/0x80 [ 50.343035] hardirqs last disabled at (1728): [] __up_console_sem+0x5d/0x80 [ 50.344543] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 50.346086] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 50.347599] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:46376' (ECDSA) to the list of known hosts. 2025/11/18 04:10:11 fuzzer started 2025/11/18 04:10:12 dialing manager at localhost:37895 2025/11/18 04:10:12 checking machine... 2025/11/18 04:10:12 checking revisions... [ 51.230462] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:10:12 testing simple program... [ 51.311640] cgroup: Unknown subsys name 'net' [ 51.376355] cgroup: Unknown subsys name 'cpuset' [ 51.391880] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 04:10:11 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000202 RCX=ffffffff8152d723 RDX=0000000000000000 RSI=0000000000000000 RDI=0000000000000001 RBP=ffff88800d010018 RSP=ffff888016527d08 R8 =0000000000000001 R9 =ffffed1002ca4f9c R10=0000000000000003 R11=0000000000000001 R12=ffffffff81b61bbb R13=0000000000000000 R14=ffff88801684b780 R15=ffff88800945d280 RIP=ffffffff81528f45 RFL=00000002 [-------] 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 00007f1c32695900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff75812000 CR3=00000000071d4000 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=0000000000023d21 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=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 fffffe6b00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f62c7000010 CR3=000000000ba21000 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=0d695ca3123216988749fc7b725b0326 XMM02=2c67c8bc2e329bc30000000000305080 XMM03=fb795ef6d65770560000000000310bb0 XMM04=72e10b6b3145d39300000000000ae988 XMM05=aab414a945b5887b0000000000321ed8 XMM06=474038aa6c007e1f0000000000320810 XMM07=e042d86d42eb936e0000000000311d00 XMM08=00ece8c1d0cc40dc00000000003050e0 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000