Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.928303] ------------[ cut here ]------------ [ 38.929223] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.931300] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.932780] Modules linked in: [ 38.933403] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 38.935359] Tainted: [W]=WARN [ 38.935909] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.937355] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.938283] 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 [ 38.941410] RSP: 0018:ffff888015d37bc0 EFLAGS: 00010286 [ 38.942377] RAX: 0000000000000000 RBX: ffffed1002ba6f78 RCX: ffffffff813a4050 [ 38.943632] RDX: ffff888016680000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.944885] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ba6f2f [ 38.946143] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.947396] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015d37df8 [ 38.948648] FS: 00007f60b6a87900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 38.950060] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.951121] CR2: 00007fffa69f0ef7 CR3: 000000000e233000 CR4: 0000000000350ef0 [ 38.952381] Call Trace: [ 38.952828] [ 38.953284] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.954151] ? __create_object+0x59/0x80 [ 38.954861] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.955806] __vmalloc_noprof+0x59/0x60 [ 38.956526] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.957355] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.958246] bpf_prog_alloc+0x39/0x200 [ 38.958912] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.959816] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.960684] do_seccomp+0x349/0x25e0 [ 38.961383] ? find_held_lock+0x2b/0x80 [ 38.962084] ? do_prlimit+0x310/0x610 [ 38.962807] ? __pfx_do_seccomp+0x10/0x10 [ 38.963572] ? do_raw_spin_unlock+0x53/0x220 [ 38.964398] ? _raw_spin_unlock+0x1e/0x40 [ 38.965163] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 38.966056] ? static_key_count+0x60/0x80 [ 38.966845] prctl_set_seccomp+0x4e/0x70 [ 38.967591] __do_sys_prctl+0xe6c/0x1d70 [ 38.968357] ? __pfx___do_sys_prctl+0x10/0x10 [ 38.969187] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 38.970144] ? irqentry_exit+0xf3/0x650 [ 38.970846] do_syscall_64+0xbf/0x430 [ 38.971579] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 38.972494] RIP: 0033:0x7f60b6f795cd [ 38.973193] 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 [ 38.976295] RSP: 002b:00007fffa69ee5c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 38.977644] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f60b6f795cd [ 38.978898] RDX: 0000558440ec8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 38.980148] RBP: 00007fffa69ee620 R08: 0000000000000000 R09: 00007fffa69edcc0 [ 38.981398] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558443867240 [ 38.982667] R13: 00007fffa69eea50 R14: 0000558443866bf0 R15: 000055844387b4d0 [ 38.983936] [ 38.984392] irq event stamp: 1771 [ 38.984972] hardirqs last enabled at (1779): [] __up_console_sem+0x78/0x80 [ 38.986467] hardirqs last disabled at (1788): [] __up_console_sem+0x5d/0x80 [ 38.987924] softirqs last enabled at (1748): [] handle_softirqs+0x50c/0x770 [ 38.989417] softirqs last disabled at (1743): [] __irq_exit_rcu+0xc4/0x100 [ 38.990877] ---[ end trace 0000000000000000 ]--- [ 41.762900] ------------[ cut here ]------------ [ 41.763698] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.765519] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.766899] Modules linked in: [ 41.767471] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.769197] Tainted: [W]=WARN [ 41.769695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.771006] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.771775] 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 [ 41.774590] RSP: 0018:ffff88801700fbc0 EFLAGS: 00010286 [ 41.775438] RAX: 0000000000000000 RBX: ffffed1002e01f78 RCX: ffffffff813a4050 [ 41.776552] RDX: ffff88800d1f5340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.777705] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e01f2f [ 41.778813] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.779955] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801700fdf8 [ 41.781063] FS: 00007f0792e6f900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.782356] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.783262] CR2: 00007ffe19a3cef7 CR3: 000000000b8ee000 CR4: 0000000000350ef0 [ 41.784407] Call Trace: [ 41.784803] [ 41.785189] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.785930] ? __create_object+0x59/0x80 [ 41.786634] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.787464] __vmalloc_noprof+0x59/0x60 [ 41.788137] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.788838] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.789676] bpf_prog_alloc+0x39/0x200 [ 41.790310] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.791078] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.791862] do_seccomp+0x349/0x25e0 [ 41.792502] ? find_held_lock+0x2b/0x80 [ 41.793155] ? do_prlimit+0x310/0x610 [ 41.793764] ? __pfx_do_seccomp+0x10/0x10 [ 41.794460] ? do_raw_spin_unlock+0x53/0x220 [ 41.795166] ? _raw_spin_unlock+0x1e/0x40 [ 41.795798] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.796651] ? static_key_count+0x60/0x80 [ 41.797336] prctl_set_seccomp+0x4e/0x70 [ 41.797972] __do_sys_prctl+0xe6c/0x1d70 [ 41.798670] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.799397] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.800241] ? irqentry_exit+0xf3/0x650 [ 41.800853] do_syscall_64+0xbf/0x430 [ 41.801508] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.802349] RIP: 0033:0x7f07933615cd [ 41.802914] 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 [ 41.805757] RSP: 002b:00007ffe19a3a4c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.806932] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f07933615cd [ 41.808077] RDX: 00005633481c7e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.809194] RBP: 00007ffe19a3a520 R08: 0000000000000000 R09: 00007ffe19a39bc0 [ 41.810344] R10: 0000000000000000 R11: 0000000000000246 R12: 000056334eaddb10 [ 41.811457] R13: 00007ffe19a3a950 R14: 000056334eade2b0 R15: 000056334eaf26f0 [ 41.812617] [ 41.812979] irq event stamp: 1765 [ 41.813530] hardirqs last enabled at (1775): [] __up_console_sem+0x78/0x80 [ 41.814882] hardirqs last disabled at (1784): [] __up_console_sem+0x5d/0x80 [ 41.816232] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 41.817572] softirqs last disabled at (1671): [] __irq_exit_rcu+0xc4/0x100 [ 41.818921] ---[ end trace 0000000000000000 ]--- [ 42.525032] ------------[ cut here ]------------ [ 42.526012] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.528149] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.529646] Modules linked in: [ 42.530303] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.532314] Tainted: [W]=WARN [ 42.532878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.534405] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.535358] 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 [ 42.538592] RSP: 0018:ffff888017307bc0 EFLAGS: 00010286 [ 42.539600] RAX: 0000000000000000 RBX: ffffed1002e60f78 RCX: ffffffff813a4050 [ 42.540906] RDX: ffff888019028000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.542207] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e60f2f [ 42.543508] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.544802] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017307df8 [ 42.546129] FS: 00007fdd1fe54900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.547585] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.548649] CR2: 00007fdd20346580 CR3: 000000001990f000 CR4: 0000000000350ef0 [ 42.549954] Call Trace: [ 42.550464] [ 42.550877] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.551773] ? __create_object+0x59/0x80 [ 42.552554] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.553542] __vmalloc_noprof+0x59/0x60 [ 42.554318] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.555197] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.556135] bpf_prog_alloc+0x39/0x200 [ 42.556832] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.557774] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.558687] do_seccomp+0x349/0x25e0 [ 42.559405] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.560305] ? __pfx_do_seccomp+0x10/0x10 [ 42.561054] ? find_held_lock+0x2b/0x80 [ 42.561833] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.562802] ? static_key_count+0x60/0x80 [ 42.563609] prctl_set_seccomp+0x4e/0x70 [ 42.564388] __do_sys_prctl+0xe6c/0x1d70 [ 42.565213] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.566084] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.567059] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.568024] ? irqentry_exit+0xf3/0x650 [ 42.568794] do_syscall_64+0xbf/0x430 [ 42.569535] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.570501] RIP: 0033:0x7fdd203465cd [ 42.571211] 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 [ 42.574334] RSP: 002b:00007ffd743ace60 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.575710] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdd203465cd [ 42.577012] RDX: 000056451d32ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.578321] RBP: 00007ffd743acec0 R08: 0000000000000000 R09: 00007ffd743ac560 [ 42.579599] R10: 0000000000000000 R11: 0000000000000246 R12: 000056453b2cbad0 [ 42.580874] R13: 00007ffd743ad2f0 R14: 000056453b2ccbc0 R15: 000056453b2dd780 [ 42.582158] [ 42.582577] irq event stamp: 1767 [ 42.583221] hardirqs last enabled at (1777): [] __up_console_sem+0x78/0x80 [ 42.584718] hardirqs last disabled at (1786): [] __up_console_sem+0x5d/0x80 [ 42.586215] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 42.587715] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 42.589192] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:30974' (ECDSA) to the list of known hosts. 2025/11/18 22:15:16 fuzzer started 2025/11/18 22:15:16 dialing manager at localhost:34383 2025/11/18 22:15:16 checking machine... 2025/11/18 22:15:16 checking revisions... [ 43.514082] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:15:16 testing simple program... [ 43.605570] cgroup: Unknown subsys name 'net' [ 43.674839] cgroup: Unknown subsys name 'cpuset' [ 43.687889] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:15:15 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000004 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8899ce60 RDI=ffff888019804250 RBP=ffffffff8899ce60 RSP=ffff88800ea67400 R8 =0000000000000000 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff888019803780 R13=ffff8880198041d8 R14=00000000ffffffff R15=ffff888019804250 RIP=ffffffff84c7212f RFL=00000057 [---ZAPC] 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 00007f0792e6f900 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=00007ffe19a34000 CR3=000000000ceda000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=00000000000221f9 RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 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 fffffe6d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000056334eb1b448 CR3=000000000da63000 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=2035313a35313a323220383120766f4e XMM01=73732878696e755f6d6170203a5d3234 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3234325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035313a35313a3232203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000