Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.339451] ------------[ cut here ]------------ [ 39.340204] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.341907] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.343153] Modules linked in: [ 39.343644] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.345345] Tainted: [W]=WARN [ 39.345811] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.347054] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.347782] 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 [ 39.350449] RSP: 0018:ffff888019c57bc0 EFLAGS: 00010286 [ 39.351259] RAX: 0000000000000000 RBX: ffffed100338af78 RCX: ffffffff813a4050 [ 39.352354] RDX: ffff888016c25340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.353443] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100338af2f [ 39.354522] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.355610] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019c57df8 [ 39.356718] FS: 00007fc2b0299900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.357945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.358834] CR2: 00007fc2b07ff4a6 CR3: 000000001e58e000 CR4: 0000000000350ef0 [ 39.359935] Call Trace: [ 39.360372] [ 39.360735] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.361486] ? __create_object+0x59/0x80 [ 39.362149] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.362927] __vmalloc_noprof+0x59/0x60 [ 39.363564] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.364318] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.365116] bpf_prog_alloc+0x39/0x200 [ 39.365702] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.366481] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.367251] do_seccomp+0x349/0x25e0 [ 39.367818] ? find_held_lock+0x2b/0x80 [ 39.368455] ? do_prlimit+0x310/0x610 [ 39.369096] ? __pfx_do_seccomp+0x10/0x10 [ 39.369721] ? do_raw_spin_unlock+0x53/0x220 [ 39.370421] ? _raw_spin_unlock+0x1e/0x40 [ 39.371085] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.371873] ? static_key_count+0x60/0x80 [ 39.372544] prctl_set_seccomp+0x4e/0x70 [ 39.373213] __do_sys_prctl+0xe6c/0x1d70 [ 39.373830] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.374553] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.375369] ? irqentry_exit+0xf3/0x650 [ 39.375984] do_syscall_64+0xbf/0x430 [ 39.376625] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.377434] RIP: 0033:0x7fc2b078b5cd [ 39.378037] 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 [ 39.380736] RSP: 002b:00007ffedf379040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.381891] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc2b078b5cd [ 39.382988] RDX: 000056478a15ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.384088] RBP: 00007ffedf3790a0 R08: 0000000000000000 R09: 00007ffedf378740 [ 39.385206] R10: 0000000000000000 R11: 0000000000000246 R12: 000056478da82ad0 [ 39.386279] R13: 00007ffedf3794d0 R14: 000056478da83bc0 R15: 000056478da94780 [ 39.387363] [ 39.387722] irq event stamp: 1711 [ 39.388277] hardirqs last enabled at (1739): [] __up_console_sem+0x78/0x80 [ 39.389573] hardirqs last disabled at (1748): [] __up_console_sem+0x5d/0x80 [ 39.390862] softirqs last enabled at (1736): [] handle_softirqs+0x50c/0x770 [ 39.392160] softirqs last disabled at (1719): [] __irq_exit_rcu+0xc4/0x100 [ 39.393451] ---[ end trace 0000000000000000 ]--- [ 42.166509] ------------[ cut here ]------------ [ 42.167524] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.169743] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 42.171421] Modules linked in: [ 42.172107] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.174273] Tainted: [W]=WARN [ 42.174879] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.176461] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.177461] 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 [ 42.180930] RSP: 0018:ffff88800f6f7bc0 EFLAGS: 00010286 [ 42.181988] RAX: 0000000000000000 RBX: ffffed1001edef78 RCX: ffffffff813a4050 [ 42.183399] RDX: ffff88800d205340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.184803] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001edef2f [ 42.186181] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.187573] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f6f7df8 [ 42.188972] FS: 00007f561f79d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.190557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.191706] CR2: 00007ffd8c8c2ef8 CR3: 000000002140a000 CR4: 0000000000350ef0 [ 42.193124] Call Trace: [ 42.193632] [ 42.194146] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.195125] ? __create_object+0x59/0x80 [ 42.195931] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.196988] __vmalloc_noprof+0x59/0x60 [ 42.197800] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.198742] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.199752] bpf_prog_alloc+0x39/0x200 [ 42.200554] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.201587] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.202565] do_seccomp+0x349/0x25e0 [ 42.203345] ? find_held_lock+0x2b/0x80 [ 42.204154] ? do_prlimit+0x310/0x610 [ 42.204932] ? __pfx_do_seccomp+0x10/0x10 [ 42.205786] ? do_raw_spin_unlock+0x53/0x220 [ 42.206677] ? _raw_spin_unlock+0x1e/0x40 [ 42.207512] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.208565] ? static_key_count+0x60/0x80 [ 42.209453] prctl_set_seccomp+0x4e/0x70 [ 42.210280] __do_sys_prctl+0xe6c/0x1d70 [ 42.211128] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.212043] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.213092] ? irqentry_exit+0xf3/0x650 [ 42.213881] do_syscall_64+0xbf/0x430 [ 42.214679] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.215701] RIP: 0033:0x7f561fc8f5cd [ 42.216466] 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 [ 42.219940] RSP: 002b:00007ffd8c8c0b80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.221445] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f561fc8f5cd [ 42.222836] RDX: 0000560f3a56de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.224219] RBP: 00007ffd8c8c0be0 R08: 0000000000000000 R09: 00007ffd8c8c0280 [ 42.225614] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560f49c13ad0 [ 42.227025] R13: 00007ffd8c8c1010 R14: 0000560f49c14bc0 R15: 0000560f49c25780 [ 42.228427] [ 42.228896] irq event stamp: 1739 [ 42.229597] hardirqs last enabled at (1749): [] __up_console_sem+0x78/0x80 [ 42.231263] hardirqs last disabled at (1758): [] __up_console_sem+0x5d/0x80 [ 42.232920] softirqs last enabled at (1660): [] handle_softirqs+0x50c/0x770 [ 42.234407] softirqs last disabled at (1655): [] __irq_exit_rcu+0xc4/0x100 [ 42.235824] ---[ end trace 0000000000000000 ]--- [ 43.035926] ------------[ cut here ]------------ [ 43.036909] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.038964] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/247 [ 43.040411] Modules linked in: [ 43.041274] CPU: 1 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.043313] Tainted: [W]=WARN [ 43.043868] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.045330] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.046231] 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 [ 43.049394] RSP: 0018:ffff888017247bc0 EFLAGS: 00010286 [ 43.050362] RAX: 0000000000000000 RBX: ffffed1002e48f78 RCX: ffffffff813a4050 [ 43.051630] RDX: ffff888016ed9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.052915] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e48f2f [ 43.054191] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.055460] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017247df8 [ 43.056742] FS: 00007f5a53ba1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.058160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.059228] CR2: 00007f5a54093580 CR3: 000000000b8b8000 CR4: 0000000000350ef0 [ 43.060539] Call Trace: [ 43.061051] [ 43.061459] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.062345] ? __create_object+0x59/0x80 [ 43.063120] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.064078] __vmalloc_noprof+0x59/0x60 [ 43.064798] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.065655] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.066587] bpf_prog_alloc+0x39/0x200 [ 43.067324] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.068245] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.069157] do_seccomp+0x349/0x25e0 [ 43.069829] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.070729] ? __pfx_do_seccomp+0x10/0x10 [ 43.071500] ? find_held_lock+0x2b/0x80 [ 43.072244] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.073206] ? static_key_count+0x60/0x80 [ 43.073961] prctl_set_seccomp+0x4e/0x70 [ 43.074731] __do_sys_prctl+0xe6c/0x1d70 [ 43.075511] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.076362] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.077342] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.078308] ? irqentry_exit+0xf3/0x650 [ 43.079058] do_syscall_64+0xbf/0x430 [ 43.079744] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.080695] RIP: 0033:0x7f5a540935cd [ 43.081404] 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 [ 43.084710] RSP: 002b:00007ffefc599300 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.086120] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5a540935cd [ 43.087403] RDX: 000055896b0a8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.088680] RBP: 00007ffefc599360 R08: 0000000000000000 R09: 00007ffefc598a00 [ 43.089935] R10: 0000000000000000 R11: 0000000000000246 R12: 000055897da2ead0 [ 43.091208] R13: 00007ffefc599790 R14: 000055897da2fbc0 R15: 000055897da40780 [ 43.092492] [ 43.092918] irq event stamp: 1873 [ 43.093564] hardirqs last enabled at (1883): [] __up_console_sem+0x78/0x80 [ 43.095105] hardirqs last disabled at (1892): [] __up_console_sem+0x5d/0x80 [ 43.096618] softirqs last enabled at (1738): [] handle_softirqs+0x50c/0x770 [ 43.098149] softirqs last disabled at (1733): [] __irq_exit_rcu+0xc4/0x100 [ 43.099649] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:60496' (ECDSA) to the list of known hosts. 2025/11/18 02:40:13 fuzzer started 2025/11/18 02:40:14 dialing manager at localhost:37895 2025/11/18 02:40:14 checking machine... 2025/11/18 02:40:14 checking revisions... [ 44.006974] kmemleak: Automatic memory scanning thread ended 2025/11/18 02:40:14 testing simple program... [ 44.090367] cgroup: Unknown subsys name 'net' [ 44.156241] cgroup: Unknown subsys name 'cpuset' [ 44.181871] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 02:40:13 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000000 RCX=ffffffff8152da53 RDX=0000000000000000 RSI=0000000000000008 RDI=ffffffff8664f650 RBP=ffff888014e67ab0 RSP=ffff888014e67a50 R8 =0000000000000000 R9 =ffffed100d9c6e68 R10=ffff88806ce37343 R11=0000000000000001 R12=ffff88806ce37358 R13=ffffffff85c2ca00 R14=ffff88806ce37340 R15=ffff88806ce37340 RIP=ffffffff817d97d1 RFL=00000056 [---ZAP-] 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 00007f7548e17900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f7548532200 CR3=000000000d985000 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=2033313a30343a323020383120766f4e XMM01=657463656e6e6f63736944203a5d3933 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3933325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732032313a30343a3230203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff888016bd0000 RBX=ffffea0000642700 RCX=0000000000012c55 RDX=0000000000012c56 RSI=ffffea0000642700 RDI=ffffffff81ab07fb RBP=ffff888009462280 RSP=ffff888018f979f8 R8 =0000000000000001 R9 =ffffffff81b2e2bb R10=ffffea0000642700 R11=0000000000000000 R12=0000000000000001 R13=0000000000000200 R14=ffff88801909d8f8 R15=ffff88801909d8f8 RIP=ffffffff817d9a6d 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 00007f561f79d900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe3d00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd8c8ba000 CR3=000000001ce05000 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