Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 46.105513] ------------[ cut here ]------------ [ 46.106402] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 46.108353] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 46.109787] Modules linked in: [ 46.110403] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 46.112586] Tainted: [W]=WARN [ 46.113427] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.114870] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 46.115760] 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 [ 46.118906] RSP: 0018:ffff888016b2fbc0 EFLAGS: 00010286 [ 46.119861] RAX: 0000000000000000 RBX: ffffed1002d65f78 RCX: ffffffff813a4050 [ 46.121156] RDX: ffff888015d55340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 46.122420] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d65f2f [ 46.123678] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 46.124954] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016b2fdf8 [ 46.126239] FS: 00007f3f2498e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 46.127663] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.128711] CR2: 00007fff418adef7 CR3: 000000000d638000 CR4: 0000000000350ef0 [ 46.129991] Call Trace: [ 46.130453] [ 46.130860] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 46.131748] ? __create_object+0x59/0x80 [ 46.132714] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 46.133691] __vmalloc_noprof+0x59/0x60 [ 46.134444] bpf_prog_alloc_no_stats+0x55/0x470 [ 46.135309] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.136232] bpf_prog_alloc+0x39/0x200 [ 46.136925] ? __pfx_seccomp_check_filter+0x10/0x10 [ 46.137856] bpf_prog_create_from_user+0xb2/0x2f0 [ 46.138753] do_seccomp+0x349/0x25e0 [ 46.139452] ? find_held_lock+0x2b/0x80 [ 46.140200] ? do_prlimit+0x310/0x610 [ 46.140898] ? __pfx_do_seccomp+0x10/0x10 [ 46.141713] ? do_raw_spin_unlock+0x53/0x220 [ 46.142527] ? _raw_spin_unlock+0x1e/0x40 [ 46.143296] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 46.144237] ? static_key_count+0x60/0x80 [ 46.145043] prctl_set_seccomp+0x4e/0x70 [ 46.145775] __do_sys_prctl+0xe6c/0x1d70 [ 46.146559] ? __pfx___do_sys_prctl+0x10/0x10 [ 46.147422] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 46.148403] ? irqentry_exit+0xf3/0x650 [ 46.149185] do_syscall_64+0xbf/0x430 [ 46.149894] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 46.150849] RIP: 0033:0x7f3f24e805cd [ 46.151553] 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 [ 46.154740] RSP: 002b:00007fff418abc00 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 46.156084] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3f24e805cd [ 46.157376] RDX: 0000562c20e75e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 46.158650] RBP: 00007fff418abc60 R08: 0000000000000000 R09: 00007fff418ab300 [ 46.159926] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562c2cb712b0 [ 46.161214] R13: 00007fff418ac090 R14: 0000562c2cb73d20 R15: 0000562c2cb858d0 [ 46.162502] [ 46.162920] irq event stamp: 1815 [ 46.163545] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 46.165053] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 46.166592] softirqs last enabled at (1396): [] handle_softirqs+0x50c/0x770 [ 46.168124] softirqs last disabled at (1391): [] __irq_exit_rcu+0xc4/0x100 [ 46.169620] ---[ end trace 0000000000000000 ]--- [ 49.103133] ------------[ cut here ]------------ [ 49.104081] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.106089] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 49.107609] Modules linked in: [ 49.108250] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.110259] Tainted: [W]=WARN [ 49.110820] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.112285] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.113213] 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 [ 49.116393] RSP: 0018:ffff8880170bfbc0 EFLAGS: 00010286 [ 49.117379] RAX: 0000000000000000 RBX: ffffed1002e17f78 RCX: ffffffff813a4050 [ 49.118661] RDX: ffff888018fa8000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.119962] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e17f2f [ 49.121257] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.122539] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170bfdf8 [ 49.123830] FS: 00007fdc994f9900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.125286] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.126350] CR2: 00007ffc50783ef7 CR3: 000000000d849000 CR4: 0000000000350ef0 [ 49.127640] Call Trace: [ 49.128140] [ 49.128554] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.129463] ? __create_object+0x59/0x80 [ 49.130242] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.131211] __vmalloc_noprof+0x59/0x60 [ 49.131924] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.132798] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.133743] bpf_prog_alloc+0x39/0x200 [ 49.134482] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.135421] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.136324] do_seccomp+0x349/0x25e0 [ 49.137038] ? find_held_lock+0x2b/0x80 [ 49.137768] ? do_prlimit+0x310/0x610 [ 49.138513] ? __pfx_do_seccomp+0x10/0x10 [ 49.139303] ? do_raw_spin_unlock+0x53/0x220 [ 49.140138] ? _raw_spin_unlock+0x1e/0x40 [ 49.140878] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.141848] ? static_key_count+0x60/0x80 [ 49.142639] prctl_set_seccomp+0x4e/0x70 [ 49.143408] __do_sys_prctl+0xe6c/0x1d70 [ 49.144194] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.145053] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.146044] ? irqentry_exit+0xf3/0x650 [ 49.146770] do_syscall_64+0xbf/0x430 [ 49.147508] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.148458] RIP: 0033:0x7fdc999eb5cd [ 49.149175] 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 [ 49.152354] RSP: 002b:00007ffc50782aa0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.153736] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdc999eb5cd [ 49.155025] RDX: 00005630745ede00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.156307] RBP: 00007ffc50782b00 R08: 0000000000000000 R09: 00007ffc507821a0 [ 49.157611] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563098e3a2b0 [ 49.158898] R13: 00007ffc50782f30 R14: 0000563098e3cd20 R15: 0000563098e4e8d0 [ 49.160218] [ 49.160643] irq event stamp: 1775 [ 49.161309] hardirqs last enabled at (1785): [] __up_console_sem+0x78/0x80 [ 49.162848] hardirqs last disabled at (1794): [] __up_console_sem+0x5d/0x80 [ 49.164369] softirqs last enabled at (1764): [] handle_softirqs+0x50c/0x770 [ 49.165951] softirqs last disabled at (1759): [] __irq_exit_rcu+0xc4/0x100 [ 49.167488] ---[ end trace 0000000000000000 ]--- [ 49.935858] ------------[ cut here ]------------ [ 49.936804] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.938789] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 49.940287] Modules linked in: [ 49.940883] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.943107] Tainted: [W]=WARN [ 49.943658] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.945211] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.946143] 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 [ 49.949326] RSP: 0018:ffff888018f6fbc0 EFLAGS: 00010286 [ 49.950308] RAX: 0000000000000000 RBX: ffffed10031edf78 RCX: ffffffff813a4050 [ 49.951592] RDX: ffff888016b70000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.952869] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10031edf2f [ 49.954176] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.955453] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888018f6fdf8 [ 49.956743] FS: 00007f28b56b1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.958200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.959271] CR2: 00007f28b5ba3580 CR3: 0000000020553000 CR4: 0000000000350ef0 [ 49.960561] Call Trace: [ 49.961052] [ 49.961485] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.962388] ? __create_object+0x59/0x80 [ 49.963193] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.964170] __vmalloc_noprof+0x59/0x60 [ 49.964885] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.965781] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.966699] bpf_prog_alloc+0x39/0x200 [ 49.967444] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.968399] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.969309] do_seccomp+0x349/0x25e0 [ 49.970030] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.970869] ? __pfx_do_seccomp+0x10/0x10 [ 49.971673] ? find_held_lock+0x2b/0x80 [ 49.972436] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.973419] ? static_key_count+0x60/0x80 [ 49.974233] prctl_set_seccomp+0x4e/0x70 [ 49.975001] __do_sys_prctl+0xe6c/0x1d70 [ 49.975742] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.976598] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.977598] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.978575] ? irqentry_exit+0xf3/0x650 [ 49.979341] do_syscall_64+0xbf/0x430 [ 49.980070] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.981021] RIP: 0033:0x7f28b5ba35cd [ 49.981693] 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 [ 49.984855] RSP: 002b:00007ffe8cd7d1e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.986254] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28b5ba35cd [ 49.987545] RDX: 0000561f10d9be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.988833] RBP: 00007ffe8cd7d240 R08: 0000000000000000 R09: 00007ffe8cd7c8e0 [ 49.990145] R10: 0000000000000000 R11: 0000000000000246 R12: 0000561f2cb51ad0 [ 49.991451] R13: 00007ffe8cd7d670 R14: 0000561f2cb52bc0 R15: 0000561f2cb63780 [ 49.992759] [ 49.993227] irq event stamp: 1817 [ 49.993829] hardirqs last enabled at (1825): [] __up_console_sem+0x78/0x80 [ 49.995403] hardirqs last disabled at (1834): [] __up_console_sem+0x5d/0x80 [ 49.996954] softirqs last enabled at (1794): [] handle_softirqs+0x50c/0x770 [ 49.998491] softirqs last disabled at (1779): [] __irq_exit_rcu+0xc4/0x100 [ 50.000002] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1635' (ECDSA) to the list of known hosts. 2025/11/19 07:32:21 fuzzer started 2025/11/19 07:32:21 dialing manager at localhost:34383 2025/11/19 07:32:21 checking machine... 2025/11/19 07:32:21 checking revisions... [ 50.881223] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:32:21 testing simple program... [ 50.967552] cgroup: Unknown subsys name 'net' [ 51.026574] cgroup: Unknown subsys name 'cpuset' [ 51.038746] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 07:32:21 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=0000000000000000 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff85f064a0 RBP=ffffffff85f064a0 RSP=ffff88801665f430 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000000 R13=0000000000000000 R14=0000000000000000 R15=ffffffff81b621bb RIP=ffffffff81529257 RFL=00000247 [---Z-PC] 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 00007fdc994f9900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffc5077c000 CR3=000000000de31000 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=000000000002353d 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=00000202 [-------] 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 fffffe6a00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff8b4baf48 CR3=000000000e548000 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=2030323a32333a373020393120766f4e XMM01=73732878696e755f6d6170203a5d3933 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3933325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732030323a32333a3730203931 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000