Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.544916] ------------[ cut here ]------------ [ 45.545622] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.547342] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 45.548561] Modules linked in: [ 45.549089] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.550721] Tainted: [W]=WARN [ 45.551224] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.552437] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.553190] 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 [ 45.555833] RSP: 0018:ffff888016ccfbc0 EFLAGS: 00010286 [ 45.556605] RAX: 0000000000000000 RBX: ffffed1002d99f78 RCX: ffffffff813a4050 [ 45.557681] RDX: ffff88801c628000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.558747] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d99f2f [ 45.559829] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.560895] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016ccfdf8 [ 45.561969] FS: 00007fec87135900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.563180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.564072] CR2: 00007fec87627580 CR3: 000000000c6b1000 CR4: 0000000000350ef0 [ 45.565147] Call Trace: [ 45.565534] [ 45.565917] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.566625] ? __create_object+0x59/0x80 [ 45.567301] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.568101] __vmalloc_noprof+0x59/0x60 [ 45.568695] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.569423] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.570195] bpf_prog_alloc+0x39/0x200 [ 45.570772] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.571560] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.572319] do_seccomp+0x349/0x25e0 [ 45.572909] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.573621] ? __pfx_do_seccomp+0x10/0x10 [ 45.574274] ? find_held_lock+0x2b/0x80 [ 45.574918] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.575696] ? static_key_count+0x60/0x80 [ 45.576369] prctl_set_seccomp+0x4e/0x70 [ 45.577018] __do_sys_prctl+0xe6c/0x1d70 [ 45.577633] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.578352] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.579168] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.579980] ? irqentry_exit+0xf3/0x650 [ 45.580581] do_syscall_64+0xbf/0x430 [ 45.581204] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.582003] RIP: 0033:0x7fec876275cd [ 45.582545] 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 [ 45.585216] RSP: 002b:00007ffdf0cde780 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.586362] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fec876275cd [ 45.587459] RDX: 0000560053082e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.588542] RBP: 00007ffdf0cde7e0 R08: 0000000000000000 R09: 00007ffdf0cdde80 [ 45.589623] R10: 0000000000000000 R11: 0000000000000246 R12: 000056005a5e92b0 [ 45.590696] R13: 00007ffdf0cdec10 R14: 000056005a5ebd20 R15: 000056005a5fd8d0 [ 45.591829] [ 45.592186] irq event stamp: 1693 [ 45.592691] hardirqs last enabled at (1701): [] __up_console_sem+0x78/0x80 [ 45.593961] hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 [ 45.595259] softirqs last enabled at (1400): [] handle_softirqs+0x50c/0x770 [ 45.596554] softirqs last disabled at (1729): [] __irq_exit_rcu+0xc4/0x100 [ 45.597824] ---[ end trace 0000000000000000 ]--- [ 48.990573] ------------[ cut here ]------------ [ 48.991513] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.993528] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 48.995194] Modules linked in: [ 48.995777] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 48.997835] Tainted: [W]=WARN [ 48.998383] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.999865] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.000737] 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 [ 49.003894] RSP: 0018:ffff88801b927bc0 EFLAGS: 00010286 [ 49.004853] RAX: 0000000000000000 RBX: ffffed1003724f78 RCX: ffffffff813a4050 [ 49.006118] RDX: ffff888016729bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.007409] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003724f2f [ 49.008694] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.009976] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801b927df8 [ 49.011269] FS: 00007f350b516900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.012681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.013729] CR2: 00007f350ba08580 CR3: 0000000021324000 CR4: 0000000000350ef0 [ 49.015016] Call Trace: [ 49.015492] [ 49.015939] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.016847] ? __create_object+0x59/0x80 [ 49.017580] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.018543] __vmalloc_noprof+0x59/0x60 [ 49.019299] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.020181] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.021128] bpf_prog_alloc+0x39/0x200 [ 49.021862] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.022744] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.023654] do_seccomp+0x349/0x25e0 [ 49.024375] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.025278] ? __pfx_do_seccomp+0x10/0x10 [ 49.026068] ? find_held_lock+0x2b/0x80 [ 49.026777] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.027746] ? static_key_count+0x60/0x80 [ 49.028548] prctl_set_seccomp+0x4e/0x70 [ 49.029338] __do_sys_prctl+0xe6c/0x1d70 [ 49.030112] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.030958] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.031925] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.032893] ? irqentry_exit+0xf3/0x650 [ 49.033609] do_syscall_64+0xbf/0x430 [ 49.034341] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.035287] RIP: 0033:0x7f350ba085cd [ 49.035985] 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 [ 49.039128] RSP: 002b:00007ffc4637ef40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.040515] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f350ba085cd [ 49.041773] RDX: 000055afabaece00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.043099] RBP: 00007ffc4637efa0 R08: 0000000000000000 R09: 00007ffc4637e640 [ 49.044366] R10: 0000000000000000 R11: 0000000000000246 R12: 000055afccd18ad0 [ 49.045635] R13: 00007ffc4637f3d0 R14: 000055afccd19bc0 R15: 000055afccd2a780 [ 49.046937] [ 49.047367] irq event stamp: 1825 [ 49.048001] hardirqs last enabled at (1835): [] __up_console_sem+0x78/0x80 [ 49.049507] hardirqs last disabled at (1844): [] __up_console_sem+0x5d/0x80 [ 49.051000] softirqs last enabled at (1762): [] handle_softirqs+0x50c/0x770 [ 49.052343] softirqs last disabled at (1757): [] __irq_exit_rcu+0xc4/0x100 [ 49.053598] ---[ end trace 0000000000000000 ]--- [ 49.919378] ------------[ cut here ]------------ [ 49.920323] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.922352] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/248 [ 49.923835] Modules linked in: [ 49.924431] CPU: 0 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.926421] Tainted: [W]=WARN [ 49.927016] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.928540] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.929452] 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 [ 49.932756] RSP: 0018:ffff888016d87bc0 EFLAGS: 00010286 [ 49.933731] RAX: 0000000000000000 RBX: ffffed1002db0f78 RCX: ffffffff813a4050 [ 49.935021] RDX: ffff888015ba9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.936346] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db0f2f [ 49.937624] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.938896] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016d87df8 [ 49.940272] FS: 00007f5afcc3d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.941756] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.942846] CR2: 00007fff331bfef7 CR3: 000000000c4a3000 CR4: 0000000000350ef0 [ 49.944180] Call Trace: [ 49.944648] [ 49.945123] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.946041] ? __create_object+0x59/0x80 [ 49.946887] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.947956] __vmalloc_noprof+0x59/0x60 [ 49.948674] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.949580] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.950587] bpf_prog_alloc+0x39/0x200 [ 49.951383] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.952324] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.953208] do_seccomp+0x349/0x25e0 [ 49.953926] ? find_held_lock+0x2b/0x80 [ 49.954650] ? do_prlimit+0x310/0x610 [ 49.955439] ? __pfx_do_seccomp+0x10/0x10 [ 49.956223] ? do_raw_spin_unlock+0x53/0x220 [ 49.957048] ? _raw_spin_unlock+0x1e/0x40 [ 49.957784] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.958842] ? static_key_count+0x60/0x80 [ 49.959687] prctl_set_seccomp+0x4e/0x70 [ 49.960470] __do_sys_prctl+0xe6c/0x1d70 [ 49.961236] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.962145] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.963196] ? irqentry_exit+0xf3/0x650 [ 49.963985] do_syscall_64+0xbf/0x430 [ 49.964677] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.965655] RIP: 0033:0x7f5afd12f5cd [ 49.966408] 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 [ 49.969627] RSP: 002b:00007fff331bd2a0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.971013] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5afd12f5cd [ 49.972402] RDX: 0000555cfb455e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.973715] RBP: 00007fff331bd300 R08: 0000000000000000 R09: 00007fff331bc9a0 [ 49.975054] R10: 0000000000000000 R11: 0000000000000246 R12: 0000555d09b74bf0 [ 49.976394] R13: 00007fff331bd730 R14: 0000555d09b7e380 R15: 0000555d09b89460 [ 49.977706] [ 49.978201] irq event stamp: 1721 [ 49.978891] hardirqs last enabled at (1731): [] __up_console_sem+0x78/0x80 [ 49.980500] hardirqs last disabled at (1740): [] __up_console_sem+0x5d/0x80 [ 49.982070] softirqs last enabled at (1688): [] handle_softirqs+0x50c/0x770 [ 49.983732] softirqs last disabled at (1683): [] __irq_exit_rcu+0xc4/0x100 [ 49.985263] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1830' (ECDSA) to the list of known hosts. 2025/11/17 16:22:45 fuzzer started 2025/11/17 16:22:45 dialing manager at localhost:37895 2025/11/17 16:22:45 checking machine... 2025/11/17 16:22:45 checking revisions... [ 50.861654] kmemleak: Automatic memory scanning thread ended 2025/11/17 16:22:45 testing simple program... [ 50.952386] cgroup: Unknown subsys name 'net' [ 51.024437] cgroup: Unknown subsys name 'cpuset' [ 51.045336] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 16:22:44 Registers: info registers vcpu 0 RAX=ffff8880169c77a0 RBX=ffff8880169c7bc0 RCX=ffffffff84bfa523 RDX=00000000ffffffff RSI=ffff888015fa7628 RDI=ffff8880169c77a0 RBP=0000000000000020 RSP=ffff8880169c76e0 R8 =0000000000000000 R9 =0000000000000000 R10=ffff8880169c781f R11=ffff88800b726280 R12=ffff8880169c7818 R13=ffff8880169c7a20 R14=0000000000000005 R15=ffff8880169c7770 RIP=ffffffff84bfa528 RFL=00000297 [--S-APC] 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 00007f350b516900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4f00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f350b4e0008 CR3=00000000212d3000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000026f7d RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f650 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 fffffe6000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffd99fbad58 CR3=000000000e354000 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=88efb1cca08e3ba368448f0ef5f3f8f5 XMM02=0000000000306060eff9b2d0a8fce9cb XMM03=00000000003061302c67c8bc2e329bc3 XMM04=68a7b8f15b9163aa00000000000ae988 XMM05=07c8bb74b6c04a44000000000031f118 XMM06=d74844bf967d85ba000000000031efa0 XMM07=e042d86d42eb936e000000000030f640 XMM08=5cf91b09b96a69e20000000000306130 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000