Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.293364] ------------[ cut here ]------------ [ 39.293946] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.295280] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.296162] Modules linked in: [ 39.296547] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.297764] Tainted: [W]=WARN [ 39.298100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.298978] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.299528] 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 [ 39.301440] RSP: 0018:ffff888017317bc0 EFLAGS: 00010286 [ 39.302039] RAX: 0000000000000000 RBX: ffffed1002e62f78 RCX: ffffffff813a4050 [ 39.302822] RDX: ffff88801792d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.303594] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e62f2f [ 39.304344] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.305113] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017317df8 [ 39.305891] FS: 00007fb5982b9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.306749] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.307350] CR2: 00007ffed9ca4ef7 CR3: 0000000009df6000 CR4: 0000000000350ef0 [ 39.308117] Call Trace: [ 39.308401] [ 39.308670] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.309196] ? __create_object+0x59/0x80 [ 39.309676] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.310232] __vmalloc_noprof+0x59/0x60 [ 39.310691] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.311194] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.311757] bpf_prog_alloc+0x39/0x200 [ 39.312175] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.312725] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.313237] do_seccomp+0x349/0x25e0 [ 39.313674] ? find_held_lock+0x2b/0x80 [ 39.314103] ? do_prlimit+0x310/0x610 [ 39.314553] ? __pfx_do_seccomp+0x10/0x10 [ 39.314995] ? do_raw_spin_unlock+0x53/0x220 [ 39.315464] ? _raw_spin_unlock+0x1e/0x40 [ 39.315931] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.316484] ? static_key_count+0x60/0x80 [ 39.316964] prctl_set_seccomp+0x4e/0x70 [ 39.317400] __do_sys_prctl+0xe6c/0x1d70 [ 39.317876] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.318364] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.318938] ? irqentry_exit+0xf3/0x650 [ 39.319372] do_syscall_64+0xbf/0x430 [ 39.319819] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.320365] RIP: 0033:0x7fb5987ab5cd [ 39.320790] 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 [ 39.322721] RSP: 002b:00007ffed9ca3a80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.323543] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb5987ab5cd [ 39.324275] RDX: 0000564dd00c3e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.325037] RBP: 00007ffed9ca3ae0 R08: 0000000000000000 R09: 00007ffed9ca3180 [ 39.325820] R10: 0000000000000000 R11: 0000000000000246 R12: 0000564e0b324ad0 [ 39.326586] R13: 00007ffed9ca3f10 R14: 0000564e0b325bc0 R15: 0000564e0b336780 [ 39.327341] [ 39.327631] irq event stamp: 1681 [ 39.327993] hardirqs last enabled at (1689): [] __up_console_sem+0x78/0x80 [ 39.328912] hardirqs last disabled at (1698): [] __up_console_sem+0x5d/0x80 [ 39.329849] softirqs last enabled at (1606): [] handle_softirqs+0x50c/0x770 [ 39.330776] softirqs last disabled at (1591): [] __irq_exit_rcu+0xc4/0x100 [ 39.331689] ---[ end trace 0000000000000000 ]--- [ 42.862921] ------------[ cut here ]------------ [ 42.863881] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.865902] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 42.867357] Modules linked in: [ 42.867995] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.869976] Tainted: [W]=WARN [ 42.870576] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.872028] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.872936] 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 [ 42.876096] RSP: 0018:ffff8880189dfbc0 EFLAGS: 00010286 [ 42.877065] RAX: 0000000000000000 RBX: ffffed100313bf78 RCX: ffffffff813a4050 [ 42.878346] RDX: ffff8880162eb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.879613] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100313bf2f [ 42.880888] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.882181] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880189dfdf8 [ 42.883461] FS: 00007fced1e92900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.884897] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.885990] CR2: 00007fced2384580 CR3: 000000000b9b7000 CR4: 0000000000350ef0 [ 42.887281] Call Trace: [ 42.887787] [ 42.888195] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.889100] ? __create_object+0x59/0x80 [ 42.889923] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.890893] __vmalloc_noprof+0x59/0x60 [ 42.891673] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.892489] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.893433] bpf_prog_alloc+0x39/0x200 [ 42.894191] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.895122] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.896039] do_seccomp+0x349/0x25e0 [ 42.896759] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.897668] ? __pfx_do_seccomp+0x10/0x10 [ 42.898413] ? find_held_lock+0x2b/0x80 [ 42.899169] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.900132] ? static_key_count+0x60/0x80 [ 42.900949] prctl_set_seccomp+0x4e/0x70 [ 42.901755] __do_sys_prctl+0xe6c/0x1d70 [ 42.902503] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.903356] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.904317] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.905275] ? irqentry_exit+0xf3/0x650 [ 42.906044] do_syscall_64+0xbf/0x430 [ 42.906799] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.907773] RIP: 0033:0x7fced23845cd [ 42.908433] 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 [ 42.911601] RSP: 002b:00007ffeaeddac70 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.912979] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fced23845cd [ 42.914304] RDX: 000055ff585bfe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.915862] RBP: 00007ffeaeddacd0 R08: 0000000000000000 R09: 00007ffeaedda370 [ 42.917149] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ff7b88aad0 [ 42.918467] R13: 00007ffeaeddb100 R14: 000055ff7b88bbc0 R15: 000055ff7b89c780 [ 42.919770] [ 42.920187] irq event stamp: 1737 [ 42.920844] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 42.922377] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 42.923889] softirqs last enabled at (1380): [] handle_softirqs+0x50c/0x770 [ 42.925421] softirqs last disabled at (1375): [] __irq_exit_rcu+0xc4/0x100 [ 42.926776] ---[ end trace 0000000000000000 ]--- [ 43.558098] ------------[ cut here ]------------ [ 43.559061] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.561115] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/251 [ 43.562587] Modules linked in: [ 43.563180] CPU: 1 UID: 104 PID: 251 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.565151] Tainted: [W]=WARN [ 43.565743] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.567217] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.568130] 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 [ 43.571284] RSP: 0018:ffff888017547bc0 EFLAGS: 00010286 [ 43.572262] RAX: 0000000000000000 RBX: ffffed1002ea8f78 RCX: ffffffff813a4050 [ 43.573555] RDX: ffff88801beb8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.574846] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ea8f2f [ 43.576126] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.577394] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017547df8 [ 43.578691] FS: 00007f56d6a3f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.580100] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.581133] CR2: 00007fffcb489ef7 CR3: 000000000d4b2000 CR4: 0000000000350ef0 [ 43.582420] Call Trace: [ 43.582922] [ 43.583325] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.584219] ? __create_object+0x59/0x80 [ 43.585001] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.585977] __vmalloc_noprof+0x59/0x60 [ 43.586729] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.587603] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.588496] bpf_prog_alloc+0x39/0x200 [ 43.589239] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.590176] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.591086] do_seccomp+0x349/0x25e0 [ 43.591809] ? find_held_lock+0x2b/0x80 [ 43.592569] ? do_prlimit+0x310/0x610 [ 43.593265] ? __pfx_do_seccomp+0x10/0x10 [ 43.594058] ? do_raw_spin_unlock+0x53/0x220 [ 43.594884] ? _raw_spin_unlock+0x1e/0x40 [ 43.595660] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.596614] ? static_key_count+0x60/0x80 [ 43.597372] prctl_set_seccomp+0x4e/0x70 [ 43.598164] __do_sys_prctl+0xe6c/0x1d70 [ 43.598944] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.599810] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.600767] ? irqentry_exit+0xf3/0x650 [ 43.601481] do_syscall_64+0xbf/0x430 [ 43.602237] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.603189] RIP: 0033:0x7f56d6f315cd [ 43.603874] 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 [ 43.607014] RSP: 002b:00007fffcb4884a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.608365] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f56d6f315cd [ 43.609663] RDX: 000055bbd209fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.610942] RBP: 00007fffcb488500 R08: 0000000000000000 R09: 00007fffcb487ba0 [ 43.612224] R10: 0000000000000000 R11: 0000000000000246 R12: 000055bc04b0d2b0 [ 43.613539] R13: 00007fffcb488930 R14: 000055bc04b0fd20 R15: 000055bc04b218d0 [ 43.614825] [ 43.615238] irq event stamp: 1741 [ 43.615879] hardirqs last enabled at (1751): [] __up_console_sem+0x78/0x80 [ 43.617371] hardirqs last disabled at (1760): [] __up_console_sem+0x5d/0x80 [ 43.618914] softirqs last enabled at (1780): [] handle_softirqs+0x50c/0x770 [ 43.620457] softirqs last disabled at (1769): [] __irq_exit_rcu+0xc4/0x100 [ 43.621909] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:60037' (ECDSA) to the list of known hosts. 2025/11/18 12:49:51 fuzzer started 2025/11/18 12:49:51 dialing manager at localhost:34383 2025/11/18 12:49:51 checking machine... 2025/11/18 12:49:51 checking revisions... [ 44.518298] kmemleak: Automatic memory scanning thread ended 2025/11/18 12:49:52 testing simple program... [ 44.611419] cgroup: Unknown subsys name 'net' [ 44.676363] cgroup: Unknown subsys name 'cpuset' [ 44.694930] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 12:49:51 Registers: info registers vcpu 0 RAX=ffff888017065340 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88800e307908 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000246 RIP=ffffffff81529332 RFL=00000246 [---Z-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 00007fced1e92900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffeaedd4000 CR3=000000000d706000 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=000000000000000000ffff0000000000 XMM02=2f00646f6874656d5f74707972636e65 XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=ff00ffffffffffffffffffffffffffff XMM08=20002020202020200020202020202020 XMM09=0000ffffffffffffffffffffffffffff XMM10=00002020202020200020202020202020 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffff88806cf08b38 RCX=ffff88806cf089c4 RDX=1ffff1100d9e1167 RSI=ffffffff8132ae7d RDI=ffff88806cf08b44 RBP=0000000000000010 RSP=ffff88806cf08a50 R8 =0000000000000001 R9 =ffff88806cf08ab0 R10=000000000003c9ed R11=000000000000d005 R12=ffff88806cf08b38 R13=0000000000000000 R14=ffff888009643780 R15=ffff888008c4b780 RIP=ffffffff816191df RFL=00000246 [---Z-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 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=00007f748772a000 CR3=000000000ed59000 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=079cecf0a31d26b1e443a5187e7c53a9 XMM02=ec2efd57dc4c00df0000000000304ec8 XMM03=9c742851b7b30ac10000000000304f98 XMM04=e2a52e4666eee17b00000000000ae988 XMM05=b9d18fb0ef4e40da0000000000322ba8 XMM06=474038aa6c007e1f0000000000321698 XMM07=e042d86d42eb936e0000000000311f50 XMM08=9c742851b7b30ac10000000000304f98 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000