Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.812745] ------------[ cut here ]------------ [ 38.813723] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.815841] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 38.817396] Modules linked in: [ 38.818025] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.820156] Tainted: [W]=WARN [ 38.820746] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.822319] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.823269] 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 [ 38.826649] RSP: 0018:ffff8880173dfbc0 EFLAGS: 00010286 [ 38.827680] RAX: 0000000000000000 RBX: ffffed1002e7bf78 RCX: ffffffff813a4050 [ 38.829039] RDX: ffff88801b6a0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.830419] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e7bf2f [ 38.831776] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.833154] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880173dfdf8 [ 38.834525] FS: 00007fc0d03f7900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.836025] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.837151] CR2: 00007ffede966ef7 CR3: 000000000d459000 CR4: 0000000000350ef0 [ 38.838520] Call Trace: [ 38.839007] [ 38.839488] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.840453] ? __create_object+0x59/0x80 [ 38.841281] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.842327] __vmalloc_noprof+0x59/0x60 [ 38.843139] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.844005] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.844990] bpf_prog_alloc+0x39/0x200 [ 38.845803] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.846783] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.847743] do_seccomp+0x349/0x25e0 [ 38.848503] ? find_held_lock+0x2b/0x80 [ 38.849432] ? do_prlimit+0x310/0x610 [ 38.850255] ? __pfx_do_seccomp+0x10/0x10 [ 38.851250] ? do_raw_spin_unlock+0x53/0x220 [ 38.852170] ? _raw_spin_unlock+0x1e/0x40 [ 38.852971] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.854086] ? static_key_count+0x60/0x80 [ 38.854914] prctl_set_seccomp+0x4e/0x70 [ 38.855773] __do_sys_prctl+0xe6c/0x1d70 [ 38.856630] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.857575] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.858665] ? irqentry_exit+0xf3/0x650 [ 38.859509] do_syscall_64+0xbf/0x430 [ 38.860337] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.861378] RIP: 0033:0x7fc0d08e95cd [ 38.862167] 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 [ 38.865526] RSP: 002b:00007ffede965250 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.866950] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc0d08e95cd [ 38.868249] RDX: 000055a6f2f46e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.869532] RBP: 00007ffede9652b0 R08: 0000000000000000 R09: 00007ffede964950 [ 38.870885] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a72cc67ad0 [ 38.872208] R13: 00007ffede9656e0 R14: 000055a72cc68bc0 R15: 000055a72cc79780 [ 38.873558] [ 38.874012] irq event stamp: 1807 [ 38.874680] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 38.876286] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 38.877981] softirqs last enabled at (1766): [] handle_softirqs+0x50c/0x770 [ 38.879373] softirqs last disabled at (1761): [] __irq_exit_rcu+0xc4/0x100 [ 38.880727] ---[ end trace 0000000000000000 ]--- [ 41.814127] ------------[ cut here ]------------ [ 41.814990] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.816984] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/241 [ 41.819740] Modules linked in: [ 41.820454] CPU: 1 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.822409] Tainted: [W]=WARN [ 41.822957] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.824396] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.825287] 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 [ 41.828408] RSP: 0018:ffff88801749fbc0 EFLAGS: 00010286 [ 41.829363] RAX: 0000000000000000 RBX: ffffed1002e93f78 RCX: ffffffff813a4050 [ 41.830628] RDX: ffff8880178cb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.831889] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e93f2f [ 41.833147] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.834413] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801749fdf8 [ 41.835670] FS: 00007fb38ab08900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.837081] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.838138] CR2: 00007ffc2e541ef7 CR3: 0000000020358000 CR4: 0000000000350ef0 [ 41.839397] Call Trace: [ 41.839853] [ 41.840297] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.841194] ? __create_object+0x59/0x80 [ 41.841929] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.842875] __vmalloc_noprof+0x59/0x60 [ 41.843616] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.844477] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.845396] bpf_prog_alloc+0x39/0x200 [ 41.846133] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.847004] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.847897] do_seccomp+0x349/0x25e0 [ 41.848606] ? find_held_lock+0x2b/0x80 [ 41.849352] ? do_prlimit+0x310/0x610 [ 41.850050] ? __pfx_do_seccomp+0x10/0x10 [ 41.850824] ? do_raw_spin_unlock+0x53/0x220 [ 41.851635] ? _raw_spin_unlock+0x1e/0x40 [ 41.852413] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.853358] ? static_key_count+0x60/0x80 [ 41.854165] prctl_set_seccomp+0x4e/0x70 [ 41.854887] __do_sys_prctl+0xe6c/0x1d70 [ 41.855653] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.856498] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.857458] ? irqentry_exit+0xf3/0x650 [ 41.858245] do_syscall_64+0xbf/0x430 [ 41.858929] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.859866] RIP: 0033:0x7fb38affa5cd [ 41.860562] 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 [ 41.863680] RSP: 002b:00007ffc2e53f370 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.865010] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb38affa5cd [ 41.866295] RDX: 00005572a05b9e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.867550] RBP: 00007ffc2e53f3d0 R08: 0000000000000000 R09: 00007ffc2e53ea70 [ 41.868797] R10: 0000000000000000 R11: 0000000000000246 R12: 00005572da8a1ad0 [ 41.870085] R13: 00007ffc2e53f800 R14: 00005572da8a2bc0 R15: 00005572da8b3780 [ 41.871377] [ 41.871795] irq event stamp: 2039 [ 41.872429] hardirqs last enabled at (2049): [] __up_console_sem+0x78/0x80 [ 41.873944] hardirqs last disabled at (2058): [] __up_console_sem+0x5d/0x80 [ 41.875312] softirqs last enabled at (1986): [] handle_softirqs+0x50c/0x770 [ 41.876577] softirqs last disabled at (1981): [] __irq_exit_rcu+0xc4/0x100 [ 41.877826] ---[ end trace 0000000000000000 ]--- [ 42.533812] ------------[ cut here ]------------ [ 42.534742] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.536766] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 42.538239] Modules linked in: [ 42.538836] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.540843] Tainted: [W]=WARN [ 42.541439] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.542915] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.543816] 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 [ 42.546669] RSP: 0018:ffff888017cefbc0 EFLAGS: 00010286 [ 42.547289] RAX: 0000000000000000 RBX: ffffed1002f9df78 RCX: ffffffff813a4050 [ 42.548099] RDX: ffff888009a61bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.548878] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f9df2f [ 42.549681] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.550497] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017cefdf8 [ 42.551305] FS: 00007f64a367a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.552218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.552852] CR2: 00007ffc674bfef7 CR3: 000000000e877000 CR4: 0000000000350ef0 [ 42.553666] Call Trace: [ 42.553969] [ 42.554248] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.554784] ? __create_object+0x59/0x80 [ 42.555270] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.555853] __vmalloc_noprof+0x59/0x60 [ 42.556331] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.556861] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.557448] bpf_prog_alloc+0x39/0x200 [ 42.557896] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.558480] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.559023] do_seccomp+0x349/0x25e0 [ 42.559477] ? find_held_lock+0x2b/0x80 [ 42.559933] ? do_prlimit+0x310/0x610 [ 42.560444] ? __pfx_do_seccomp+0x10/0x10 [ 42.560914] ? do_raw_spin_unlock+0x53/0x220 [ 42.561447] ? _raw_spin_unlock+0x1e/0x40 [ 42.561922] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.562534] ? static_key_count+0x60/0x80 [ 42.563011] prctl_set_seccomp+0x4e/0x70 [ 42.563512] __do_sys_prctl+0xe6c/0x1d70 [ 42.563979] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.564513] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.565125] ? irqentry_exit+0xf3/0x650 [ 42.565580] do_syscall_64+0xbf/0x430 [ 42.566021] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.566626] RIP: 0033:0x7f64a3b6c5cd [ 42.567038] 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 [ 42.569044] RSP: 002b:00007ffc674bed20 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.569898] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f64a3b6c5cd [ 42.570705] RDX: 0000555a40333e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.571514] RBP: 00007ffc674bed80 R08: 0000000000000000 R09: 00007ffc674be420 [ 42.572325] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555a7cdfcad0 [ 42.573139] R13: 00007ffc674bf1b0 R14: 0000555a7cdfdbc0 R15: 0000555a7ce0e780 [ 42.573938] [ 42.574238] irq event stamp: 1741 [ 42.574624] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 42.575581] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 42.576543] softirqs last enabled at (1720): [] handle_softirqs+0x50c/0x770 [ 42.577510] softirqs last disabled at (1715): [] __irq_exit_rcu+0xc4/0x100 [ 42.578470] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:23306' (ECDSA) to the list of known hosts. 2025/11/17 15:31:13 fuzzer started 2025/11/17 15:31:13 dialing manager at localhost:37895 2025/11/17 15:31:13 checking machine... 2025/11/17 15:31:13 checking revisions... [ 43.466053] kmemleak: Automatic memory scanning thread ended 2025/11/17 15:31:14 testing simple program... [ 43.564395] cgroup: Unknown subsys name 'net' [ 43.638707] cgroup: Unknown subsys name 'cpuset' [ 43.652727] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:31:13 Registers: info registers vcpu 0 RAX=000000000003be77 RBX=0000000000000000 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffffffff85c07e00 R8 =0000000000000001 R9 =ffffed100d9c639a R10=ffff88806ce31cd3 R11=0000000000000001 R12=ffffffff8664f650 R13=1ffffffff0b80fc7 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 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc5dfe9e000 CR3=00000000139b3000 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=2032313a31333a353120373120766f4e XMM01=73732878696e755f6d6170203a5d3034 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3034325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032313a31333a3531203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000000 RBX=ffffffff83ee9ac7 RCX=ffff8880173df574 RDX=1ffff11002e7becf RSI=ffffffff85e1ffe0 RDI=ffffffff83ee9ac7 RBP=ffff8880173df678 RSP=ffff8880173df5f0 R8 =0000000000000001 R9 =ffff8880173df660 R10=000000000003c9ed R11=000000000009b463 R12=ffff8880173df6e8 R13=0000000000000000 R14=ffff88800d100000 R15=ffff8880096c7b40 RIP=ffffffff81439cc0 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 00007fb38ab08900 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=00007ffc2e539000 CR3=000000000d68a000 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