Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.978869] ------------[ cut here ]------------ [ 38.979754] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.982165] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/234 [ 38.983606] Modules linked in: [ 38.984254] CPU: 1 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.986474] Tainted: [W]=WARN [ 38.987135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.988592] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.989505] 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 [ 38.992633] RSP: 0018:ffff88800e5e7bc0 EFLAGS: 00010286 [ 38.993613] RAX: 0000000000000000 RBX: ffffed1001cbcf78 RCX: ffffffff813a4050 [ 38.994898] RDX: ffff888015df9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.996176] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001cbcf2f [ 38.997476] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.998753] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e5e7df8 [ 39.000027] FS: 00007fbe31fde900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.001456] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.002515] CR2: 00007fffe4e50ef8 CR3: 000000000e64b000 CR4: 0000000000350ef0 [ 39.003785] Call Trace: [ 39.004245] [ 39.004648] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.005567] ? __create_object+0x59/0x80 [ 39.006352] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.007321] __vmalloc_noprof+0x59/0x60 [ 39.008077] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.008958] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.009894] bpf_prog_alloc+0x39/0x200 [ 39.010578] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.011496] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.012385] do_seccomp+0x349/0x25e0 [ 39.013117] ? find_held_lock+0x2b/0x80 [ 39.013887] ? do_prlimit+0x310/0x610 [ 39.014578] ? __pfx_do_seccomp+0x10/0x10 [ 39.015362] ? do_raw_spin_unlock+0x53/0x220 [ 39.016189] ? _raw_spin_unlock+0x1e/0x40 [ 39.016971] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.017939] ? static_key_count+0x60/0x80 [ 39.018737] prctl_set_seccomp+0x4e/0x70 [ 39.019468] __do_sys_prctl+0xe6c/0x1d70 [ 39.020258] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.021131] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.022095] ? irqentry_exit+0xf3/0x650 [ 39.022855] do_syscall_64+0xbf/0x430 [ 39.023539] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.024486] RIP: 0033:0x7fbe324d05cd [ 39.025202] 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 [ 39.028343] RSP: 002b:00007fffe4e4eaf0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.029710] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbe324d05cd [ 39.030986] RDX: 0000556bbadece00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.032258] RBP: 00007fffe4e4eb50 R08: 0000000000000000 R09: 00007fffe4e4e1f0 [ 39.033547] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556bd3c7f2b0 [ 39.034820] R13: 00007fffe4e4ef80 R14: 0000556bd3c81d20 R15: 0000556bd3c938d0 [ 39.036122] [ 39.036542] irq event stamp: 1881 [ 39.037208] hardirqs last enabled at (1891): [] __up_console_sem+0x78/0x80 [ 39.038739] hardirqs last disabled at (1900): [] __up_console_sem+0x5d/0x80 [ 39.040236] softirqs last enabled at (1840): [] handle_softirqs+0x50c/0x770 [ 39.041721] softirqs last disabled at (1835): [] __irq_exit_rcu+0xc4/0x100 [ 39.042986] ---[ end trace 0000000000000000 ]--- [ 41.711640] ------------[ cut here ]------------ [ 41.712599] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.714736] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.716210] Modules linked in: [ 41.716875] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.719165] Tainted: [W]=WARN [ 41.719881] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.721389] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.722334] 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 [ 41.725583] RSP: 0018:ffff888016847bc0 EFLAGS: 00010286 [ 41.726605] RAX: 0000000000000000 RBX: ffffed1002d08f78 RCX: ffffffff813a4050 [ 41.727924] RDX: ffff888019860000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.729240] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d08f2f [ 41.730567] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.731880] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016847df8 [ 41.733224] FS: 00007f11fa1f6900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.734715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.735822] CR2: 00007f11fa6e8580 CR3: 000000001fb4b000 CR4: 0000000000350ef0 [ 41.737167] Call Trace: [ 41.737717] [ 41.738135] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.739080] ? __create_object+0x59/0x80 [ 41.739908] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.740910] __vmalloc_noprof+0x59/0x60 [ 41.741723] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.742579] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.743552] bpf_prog_alloc+0x39/0x200 [ 41.744298] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.745282] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.746216] do_seccomp+0x349/0x25e0 [ 41.746968] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.747908] ? __pfx_do_seccomp+0x10/0x10 [ 41.748727] ? find_held_lock+0x2b/0x80 [ 41.749475] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.750479] ? static_key_count+0x60/0x80 [ 41.751308] prctl_set_seccomp+0x4e/0x70 [ 41.752106] __do_sys_prctl+0xe6c/0x1d70 [ 41.752936] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.753852] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.754840] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.755854] ? irqentry_exit+0xf3/0x650 [ 41.756599] do_syscall_64+0xbf/0x430 [ 41.757367] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.758374] RIP: 0033:0x7f11fa6e85cd [ 41.759115] 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 [ 41.762365] RSP: 002b:00007fffa8969af0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.763772] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f11fa6e85cd [ 41.765079] RDX: 000055ba5812ee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.766389] RBP: 00007fffa8969b50 R08: 0000000000000000 R09: 00007fffa89691f0 [ 41.767745] R10: 0000000000000000 R11: 0000000000000246 R12: 000055ba851edad0 [ 41.769047] R13: 00007fffa8969f80 R14: 000055ba851eebc0 R15: 000055ba851ff780 [ 41.770388] [ 41.770883] irq event stamp: 1783 [ 41.771509] hardirqs last enabled at (1791): [] __up_console_sem+0x78/0x80 [ 41.773087] hardirqs last disabled at (1800): [] __up_console_sem+0x5d/0x80 [ 41.774481] softirqs last enabled at (1704): [] handle_softirqs+0x50c/0x770 [ 41.775800] softirqs last disabled at (1699): [] __irq_exit_rcu+0xc4/0x100 [ 41.777273] ---[ end trace 0000000000000000 ]--- [ 42.309500] ------------[ cut here ]------------ [ 42.310099] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.311375] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.312297] Modules linked in: [ 42.312703] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.313986] Tainted: [W]=WARN [ 42.314339] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.315265] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.315855] 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 [ 42.317950] RSP: 0018:ffff88800d4f7bc0 EFLAGS: 00010286 [ 42.318542] RAX: 0000000000000000 RBX: ffffed1001a9ef78 RCX: ffffffff813a4050 [ 42.319360] RDX: ffff88800d061bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.320183] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001a9ef2f [ 42.320996] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.321819] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d4f7df8 [ 42.322602] FS: 00007f3997816900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.323520] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.324198] CR2: 00007f3997d08580 CR3: 000000001fa83000 CR4: 0000000000350ef0 [ 42.325023] Call Trace: [ 42.325325] [ 42.325586] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.326183] ? __create_object+0x59/0x80 [ 42.326682] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.327271] __vmalloc_noprof+0x59/0x60 [ 42.327750] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.328276] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.328869] bpf_prog_alloc+0x39/0x200 [ 42.329320] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.329911] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.330459] do_seccomp+0x349/0x25e0 [ 42.330913] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.331449] ? __pfx_do_seccomp+0x10/0x10 [ 42.331949] ? find_held_lock+0x2b/0x80 [ 42.332402] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.333009] ? static_key_count+0x60/0x80 [ 42.333496] prctl_set_seccomp+0x4e/0x70 [ 42.333995] __do_sys_prctl+0xe6c/0x1d70 [ 42.334459] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.335001] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.335584] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.336201] ? irqentry_exit+0xf3/0x650 [ 42.336676] do_syscall_64+0xbf/0x430 [ 42.337118] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.337730] RIP: 0033:0x7f3997d085cd [ 42.338149] 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 [ 42.340158] RSP: 002b:00007ffcea71a6e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.341034] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3997d085cd [ 42.341842] RDX: 0000559ebd83ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.342623] RBP: 00007ffcea71a740 R08: 0000000000000000 R09: 00007ffcea719de0 [ 42.343433] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559ef2e9c240 [ 42.344246] R13: 00007ffcea71ab70 R14: 0000559ef2ea5380 R15: 0000559ef2eb0540 [ 42.345106] [ 42.345382] irq event stamp: 1795 [ 42.345794] hardirqs last enabled at (1805): [] __up_console_sem+0x78/0x80 [ 42.346745] hardirqs last disabled at (1814): [] __up_console_sem+0x5d/0x80 [ 42.347713] softirqs last enabled at (1784): [] handle_softirqs+0x50c/0x770 [ 42.348698] softirqs last disabled at (1773): [] __irq_exit_rcu+0xc4/0x100 [ 42.349636] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:47776' (ECDSA) to the list of known hosts. 2025/11/18 04:08:43 fuzzer started 2025/11/18 04:08:43 dialing manager at localhost:37895 2025/11/18 04:08:43 checking machine... 2025/11/18 04:08:43 checking revisions... [ 42.986455] kmemleak: Automatic memory scanning thread ended 2025/11/18 04:08:44 testing simple program... [ 43.083914] cgroup: Unknown subsys name 'net' [ 43.148173] cgroup: Unknown subsys name 'cpuset' [ 43.156275] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 52.181807] audit: type=1400 audit(1763438933.281:7): avc: denied { execmem } for pid=276 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 VM DIAGNOSIS: 04:08:43 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=ffff88806ce37340 RCX=ffffffff8152da53 RDX=1ffff1100d9c6e68 RSI=0000000000000004 RDI=ffff88806ce37340 RBP=ffff88806ce37348 RSP=ffff88806ce08cc0 R8 =0000000000000000 R9 =ffffed100d9c6e68 R10=ffff88806ce37343 R11=0000000000000001 R12=ffff88806ce37350 R13=0000000000000000 R14=ffff88806ce37df0 R15=ffff88806ce37358 RIP=ffffffff8152db56 RFL=00000012 [----A--] 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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc2fd065048 CR3=000000000dab2000 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=2127ef9f5a9a7c8932483f83084f61e0 XMM02=00000000003019e0d59e07bde36eea69 XMM03=0000000000301b28ec2efd57dc4c00df XMM04=a7a8e030f09236d400000000000ae988 XMM05=3eb534279c66efab000000000031edb8 XMM06=090f1556b20111b3000000000031df20 XMM07=fb795ef6d6577056000000000030d578 XMM08=2c67c8bc2e329bc30000000000301b28 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff8880189dfa2a RCX=ffffffff81be91fa RDX=ffff88800c130000 RSI=ffffffff81be9203 RDI=0000000000000005 RBP=0000000000000001 RSP=ffff8880189df940 R8 =0000000000000001 R9 =ffffed1002e7233c R10=0000000000000001 R11=0000000000000001 R12=0000000000000001 R13=0000000000000041 R14=ffff888017391880 R15=dffffc0000000000 RIP=ffffffff81751c78 RFL=00000202 [-------] 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 00007f3eff064700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fffa8963000 CR3=000000000e60e000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000