Debian GNU/Linux 11 syzkaller ttyS0
syzkaller login: [ 45.952960] ------------[ cut here ]------------
[ 45.953950] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 45.955943] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/235
[ 45.958734] Modules linked in:
[ 45.959518] CPU: 1 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 45.961549] Tainted: [W]=WARN
[ 45.962110] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 45.963612] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 45.964536] 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
[ 45.967759] RSP: 0018:ffff88801c1d7bc0 EFLAGS: 00010286
[ 45.968740] RAX: 0000000000000000 RBX: ffffed100383af78 RCX: ffffffff813a4050
[ 45.970038] RDX: ffff888015e0d340 RSI: ffffffff813a405e RDI: 0000000000000001
[ 45.971344] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100383af2f
[ 45.972643] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 45.973940] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801c1d7df8
[ 45.975250] FS: 00007f44a268b900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
[ 45.976700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.977766] CR2: 00007ffff3c38ef7 CR3: 000000000eb37000 CR4: 0000000000350ef0
[ 45.979058] Call Trace:
[ 45.979581]
[ 45.980004] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 45.980904] ? __create_object+0x59/0x80
[ 45.981685] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 45.982669] __vmalloc_noprof+0x59/0x60
[ 45.983438] bpf_prog_alloc_no_stats+0x55/0x470
[ 45.984321] ? __pfx_seccomp_check_filter+0x10/0x10
[ 45.985261] bpf_prog_alloc+0x39/0x200
[ 45.985951] ? __pfx_seccomp_check_filter+0x10/0x10
[ 45.986899] bpf_prog_create_from_user+0xb2/0x2f0
[ 45.987833] do_seccomp+0x349/0x25e0
[ 45.988560] ? find_held_lock+0x2b/0x80
[ 45.989337] ? do_prlimit+0x310/0x610
[ 45.990043] ? __pfx_do_seccomp+0x10/0x10
[ 45.990853] ? do_raw_spin_unlock+0x53/0x220
[ 45.991716] ? _raw_spin_unlock+0x1e/0x40
[ 45.992508] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 45.993501] ? static_key_count+0x60/0x80
[ 45.994314] prctl_set_seccomp+0x4e/0x70
[ 45.995067] __do_sys_prctl+0xe6c/0x1d70
[ 45.995866] ? __pfx___do_sys_prctl+0x10/0x10
[ 45.996725] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 45.997706] ? irqentry_exit+0xf3/0x650
[ 45.998489] do_syscall_64+0xbf/0x430
[ 45.999201] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 46.000133] RIP: 0033:0x7f44a2b7d5cd
[ 46.000841] 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
[ 46.004062] RSP: 002b:00007ffff3c36e30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 46.005454] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f44a2b7d5cd
[ 46.006743] RDX: 000055fe50b85e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 46.008074] RBP: 00007ffff3c36e90 R08: 0000000000000000 R09: 00007ffff3c36530
[ 46.009363] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fe601d0240
[ 46.010651] R13: 00007ffff3c372c0 R14: 000055fe601d9380 R15: 000055fe601e4540
[ 46.011969]
[ 46.012437] irq event stamp: 2149
[ 46.013044] hardirqs last enabled at (2157): [] __up_console_sem+0x78/0x80
[ 46.014574] hardirqs last disabled at (2166): [] __up_console_sem+0x5d/0x80
[ 46.016134] softirqs last enabled at (2106): [] handle_softirqs+0x50c/0x770
[ 46.017668] softirqs last disabled at (2101): [] __irq_exit_rcu+0xc4/0x100
[ 46.019207] ---[ end trace 0000000000000000 ]---
[ 48.757728] ------------[ cut here ]------------
[ 48.758683] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 48.760797] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242
[ 48.762268] Modules linked in:
[ 48.762862] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 48.764919] Tainted: [W]=WARN
[ 48.765527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 48.767013] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 48.767943] 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
[ 48.771146] RSP: 0018:ffff8880167f7bc0 EFLAGS: 00010286
[ 48.772132] RAX: 0000000000000000 RBX: ffffed1002cfef78 RCX: ffffffff813a4050
[ 48.773404] RDX: ffff888017581bc0 RSI: ffffffff813a405e RDI: 0000000000000001
[ 48.774677] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cfef2f
[ 48.775996] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 48.777286] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880167f7df8
[ 48.778573] FS: 00007f28f60b4900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 48.780015] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 48.781083] CR2: 00007f28f65a6580 CR3: 000000000e50c000 CR4: 0000000000350ef0
[ 48.782360] Call Trace:
[ 48.782826]
[ 48.783304] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 48.784145] ? __create_object+0x59/0x80
[ 48.784926] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.785897] __vmalloc_noprof+0x59/0x60
[ 48.786654] bpf_prog_alloc_no_stats+0x55/0x470
[ 48.787551] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.788479] bpf_prog_alloc+0x39/0x200
[ 48.789170] ? __pfx_seccomp_check_filter+0x10/0x10
[ 48.790095] bpf_prog_create_from_user+0xb2/0x2f0
[ 48.791009] do_seccomp+0x349/0x25e0
[ 48.791733] ? __pfx_css_rstat_updated+0x10/0x10
[ 48.792733] ? __pfx_do_seccomp+0x10/0x10
[ 48.793550] ? find_held_lock+0x2b/0x80
[ 48.794318] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 48.795336] ? static_key_count+0x60/0x80
[ 48.796099] prctl_set_seccomp+0x4e/0x70
[ 48.796874] __do_sys_prctl+0xe6c/0x1d70
[ 48.797657] ? __pfx___do_sys_prctl+0x10/0x10
[ 48.798515] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 48.799521] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 48.800495] ? irqentry_exit+0xf3/0x650
[ 48.801207] do_syscall_64+0xbf/0x430
[ 48.801944] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 48.802882] RIP: 0033:0x7f28f65a65cd
[ 48.803592] 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
[ 48.806839] RSP: 002b:00007ffe425701e0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 48.808193] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28f65a65cd
[ 48.809471] RDX: 000055945f9f2e00 RSI: 0000000000000002 RDI: 0000000000000016
[ 48.810701] RBP: 00007ffe42570240 R08: 0000000000000000 R09: 00007ffe4256f8e0
[ 48.811953] R10: 0000000000000000 R11: 0000000000000246 R12: 0000559486575240
[ 48.813233] R13: 00007ffe42570670 R14: 0000559486574bf0 R15: 00005594865894d0
[ 48.814495]
[ 48.814911] irq event stamp: 1773
[ 48.815570] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80
[ 48.817072] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80
[ 48.818584] softirqs last enabled at (1558): [] handle_softirqs+0x50c/0x770
[ 48.820102] softirqs last disabled at (1547): [] __irq_exit_rcu+0xc4/0x100
[ 48.821584] ---[ end trace 0000000000000000 ]---
[ 49.586009] ------------[ cut here ]------------
[ 49.586926] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code!
[ 49.588933] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249
[ 49.590391] Modules linked in:
[ 49.590980] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary)
[ 49.592987] Tainted: [W]=WARN
[ 49.593578] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 49.595047] RIP: 0010:vmalloc_fix_flags+0x91/0xd0
[ 49.595966] 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
[ 49.599117] RSP: 0018:ffff888017a3fbc0 EFLAGS: 00010286
[ 49.600143] RAX: 0000000000000000 RBX: ffffed1002f47f78 RCX: ffffffff813a4050
[ 49.601414] RDX: ffff888017cb0000 RSI: ffffffff813a405e RDI: 0000000000000001
[ 49.602684] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f47f2f
[ 49.603974] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0
[ 49.605247] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017a3fdf8
[ 49.606512] FS: 00007fa2b766c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
[ 49.607942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 49.608987] CR2: 00007ffe05fb9ef7 CR3: 000000000cacb000 CR4: 0000000000350ef0
[ 49.610262] Call Trace:
[ 49.610720]
[ 49.611131] ? __pfx_vmalloc_fix_flags+0x10/0x10
[ 49.612015] ? __create_object+0x59/0x80
[ 49.612804] ? trace_irq_enable.constprop.0+0xc2/0x100
[ 49.613775] __vmalloc_noprof+0x59/0x60
[ 49.614532] bpf_prog_alloc_no_stats+0x55/0x470
[ 49.615417] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.616342] bpf_prog_alloc+0x39/0x200
[ 49.617025] ? __pfx_seccomp_check_filter+0x10/0x10
[ 49.617942] bpf_prog_create_from_user+0xb2/0x2f0
[ 49.618837] do_seccomp+0x349/0x25e0
[ 49.619574] ? find_held_lock+0x2b/0x80
[ 49.620324] ? do_prlimit+0x310/0x610
[ 49.621017] ? __pfx_do_seccomp+0x10/0x10
[ 49.621791] ? do_raw_spin_unlock+0x53/0x220
[ 49.622619] ? _raw_spin_unlock+0x1e/0x40
[ 49.623421] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 49.624388] ? static_key_count+0x60/0x80
[ 49.625136] prctl_set_seccomp+0x4e/0x70
[ 49.625898] __do_sys_prctl+0xe6c/0x1d70
[ 49.626671] ? __pfx___do_sys_prctl+0x10/0x10
[ 49.627538] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0
[ 49.628511] ? irqentry_exit+0xf3/0x650
[ 49.629282] do_syscall_64+0xbf/0x430
[ 49.629972] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 49.630914] RIP: 0033:0x7fa2b7b5e5cd
[ 49.631629] 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
[ 49.634748] RSP: 002b:00007ffe05fb7ac0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d
[ 49.636131] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa2b7b5e5cd
[ 49.637403] RDX: 00005591a314fe00 RSI: 0000000000000002 RDI: 0000000000000016
[ 49.638677] RBP: 00007ffe05fb7b20 R08: 0000000000000000 R09: 00007ffe05fb71c0
[ 49.639966] R10: 0000000000000000 R11: 0000000000000246 R12: 00005591c5228b10
[ 49.641263] R13: 00007ffe05fb7f50 R14: 00005591c52292b0 R15: 00005591c523d6f0
[ 49.642557]
[ 49.642977] irq event stamp: 1753
[ 49.643642] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80
[ 49.645173] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80
[ 49.646703] softirqs last enabled at (1732): [] handle_softirqs+0x50c/0x770
[ 49.648261] softirqs last disabled at (1727): [] __irq_exit_rcu+0xc4/0x100
[ 49.649779] ---[ end trace 0000000000000000 ]---
Warning: Permanently added '[localhost]:25068' (ECDSA) to the list of known hosts.
2025/11/18 20:49:20 fuzzer started
2025/11/18 20:49:20 dialing manager at localhost:34383
2025/11/18 20:49:20 checking machine...
2025/11/18 20:49:20 checking revisions...
[ 50.532594] kmemleak: Automatic memory scanning thread ended
2025/11/18 20:49:20 testing simple program...
[ 50.635641] cgroup: Unknown subsys name 'net'
[ 50.689327] cgroup: Unknown subsys name 'cpuset'
[ 50.701898] cgroup: Unknown subsys name 'rlimit'
executing program
executing program
[ 59.231870] audit: type=1400 audit(1763498969.565:7): avc: denied { execmem } for pid=279 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
executing program
VM DIAGNOSIS:
20:49:19 Registers:
info registers vcpu 0
RAX=1ffffffff0d402d2 RBX=0000000000000002 RCX=ffffffff86a01694 RDX=0000000000000000
RSI=dffffc0000000000 RDI=ffffffff86a01696 RBP=ffff88806ce08aa8 RSP=ffff88806ce08990
R8 =ffffffff86a01698 R9 =ffff88806ce08a90 R10=000000000003c9ed R11=0000000000006e2e
R12=ffff88806ce08ab0 R13=ffff88806ce08a98 R14=ffff88806ce08a50 R15=ffff88806ce08a50
RIP=ffffffff8135fac9 RFL=00000217 [----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 00007f28f60b4900 00000000 00000000
GS =0000 ffff8880e538f000 00000000 00000000
LDT=0000 fffffe5a00000000 00000000 00000000
TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000001000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f28f6093020 CR3=000000000da52000 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=0000000000024f7f 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 fffffe1900000000 00000000 00000000
TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy
GDT= fffffe0000048000 0000007f
IDT= fffffe0000000000 00000fff
CR0=80050033 CR2=00007f8dd345a000 CR3=000000000cc6c000 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=2039313a39343a303220383120766f4e XMM01=73732878696e755f6d6170203a5d3134
XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373
XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f
XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732039313a39343a3032203831
XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000
XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000
XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000
XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000