Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.343782] ------------[ cut here ]------------ [ 39.344783] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.346871] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/234 [ 39.348386] Modules linked in: [ 39.348996] CPU: 0 UID: 104 PID: 234 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.351021] Tainted: [W]=WARN [ 39.351631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.353139] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.354018] 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 [ 39.357235] RSP: 0018:ffff88801a207bc0 EFLAGS: 00010286 [ 39.358228] RAX: 0000000000000000 RBX: ffffed1003440f78 RCX: ffffffff813a4050 [ 39.359525] RDX: ffff888015ce0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.360827] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003440f2f [ 39.362130] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.363422] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801a207df8 [ 39.364736] FS: 00007f12e1f8a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.366185] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.367265] CR2: 00007ffc09d6fef8 CR3: 000000000d36b000 CR4: 0000000000350ef0 [ 39.368560] Call Trace: [ 39.369044] [ 39.369505] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.370409] ? __create_object+0x59/0x80 [ 39.371179] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.372152] __vmalloc_noprof+0x59/0x60 [ 39.372877] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.373770] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.374713] bpf_prog_alloc+0x39/0x200 [ 39.375460] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.376406] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.377321] do_seccomp+0x349/0x25e0 [ 39.378004] ? find_held_lock+0x2b/0x80 [ 39.378775] ? do_prlimit+0x310/0x610 [ 39.379523] ? __pfx_do_seccomp+0x10/0x10 [ 39.380306] ? do_raw_spin_unlock+0x53/0x220 [ 39.381163] ? _raw_spin_unlock+0x1e/0x40 [ 39.381908] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.382891] ? static_key_count+0x60/0x80 [ 39.383716] prctl_set_seccomp+0x4e/0x70 [ 39.384492] __do_sys_prctl+0xe6c/0x1d70 [ 39.385306] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.386181] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.387166] ? irqentry_exit+0xf3/0x650 [ 39.387892] do_syscall_64+0xbf/0x430 [ 39.388668] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.389622] RIP: 0033:0x7f12e247c5cd [ 39.390332] 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 [ 39.393566] RSP: 002b:00007ffc09d6eac0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.394952] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12e247c5cd [ 39.396292] RDX: 0000557ac82b5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.397622] RBP: 00007ffc09d6eb20 R08: 0000000000000000 R09: 00007ffc09d6e1c0 [ 39.398935] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557adb5ebad0 [ 39.400257] R13: 00007ffc09d6ef50 R14: 0000557adb5ecbc0 R15: 0000557adb5fd780 [ 39.401598] [ 39.402029] irq event stamp: 1749 [ 39.402683] hardirqs last enabled at (1759): [] __up_console_sem+0x78/0x80 [ 39.404230] hardirqs last disabled at (1768): [] __up_console_sem+0x5d/0x80 [ 39.405790] softirqs last enabled at (1728): [] handle_softirqs+0x50c/0x770 [ 39.407335] softirqs last disabled at (1723): [] __irq_exit_rcu+0xc4/0x100 [ 39.408879] ---[ end trace 0000000000000000 ]--- [ 42.905807] ------------[ cut here ]------------ [ 42.906780] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.908841] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.910325] Modules linked in: [ 42.910916] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.912909] Tainted: [W]=WARN [ 42.913497] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.914982] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.915904] 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 [ 42.919171] RSP: 0018:ffff888016417bc0 EFLAGS: 00010286 [ 42.920129] RAX: 0000000000000000 RBX: ffffed1002c82f78 RCX: ffffffff813a4050 [ 42.921415] RDX: ffff888013a7b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.922665] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c82f2f [ 42.923952] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.925229] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016417df8 [ 42.926487] FS: 00007f5b3036d900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.927895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.928961] CR2: 00007f5b308d34a6 CR3: 0000000009d3b000 CR4: 0000000000350ef0 [ 42.930241] Call Trace: [ 42.930698] [ 42.931139] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.931975] ? __create_object+0x59/0x80 [ 42.932758] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.933714] __vmalloc_noprof+0x59/0x60 [ 42.934458] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.935305] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.936218] bpf_prog_alloc+0x39/0x200 [ 42.936908] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.937816] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.938699] do_seccomp+0x349/0x25e0 [ 42.939405] ? find_held_lock+0x2b/0x80 [ 42.940145] ? do_prlimit+0x310/0x610 [ 42.940849] ? __pfx_do_seccomp+0x10/0x10 [ 42.941616] ? do_raw_spin_unlock+0x53/0x220 [ 42.942426] ? _raw_spin_unlock+0x1e/0x40 [ 42.943188] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.944123] ? static_key_count+0x60/0x80 [ 42.944879] prctl_set_seccomp+0x4e/0x70 [ 42.945645] __do_sys_prctl+0xe6c/0x1d70 [ 42.946433] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.947283] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.948260] ? irqentry_exit+0xf3/0x650 [ 42.949003] do_syscall_64+0xbf/0x430 [ 42.949750] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.950709] RIP: 0033:0x7f5b3085f5cd [ 42.951428] 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 [ 42.954651] RSP: 002b:00007fffc89be260 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.956035] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5b3085f5cd [ 42.957356] RDX: 0000562dd6d46e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.958644] RBP: 00007fffc89be2c0 R08: 0000000000000000 R09: 00007fffc89bd960 [ 42.959928] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562df1c31bf0 [ 42.961251] R13: 00007fffc89be6f0 R14: 0000562df1c3b380 R15: 0000562df1c46460 [ 42.962567] [ 42.962994] irq event stamp: 1829 [ 42.963650] hardirqs last enabled at (1839): [] __up_console_sem+0x78/0x80 [ 42.965205] hardirqs last disabled at (1848): [] __up_console_sem+0x5d/0x80 [ 42.966753] softirqs last enabled at (1808): [] handle_softirqs+0x50c/0x770 [ 42.968318] softirqs last disabled at (1801): [] __irq_exit_rcu+0xc4/0x100 [ 42.969864] ---[ end trace 0000000000000000 ]--- [ 43.856192] ------------[ cut here ]------------ [ 43.857207] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.859305] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.860817] Modules linked in: [ 43.861466] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.863526] Tainted: [W]=WARN [ 43.864151] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.865674] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.866620] 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 [ 43.869880] RSP: 0018:ffff88801760fbc0 EFLAGS: 00010286 [ 43.870873] RAX: 0000000000000000 RBX: ffffed1002ec1f78 RCX: ffffffff813a4050 [ 43.872178] RDX: ffff888018dd3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.873514] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec1f2f [ 43.874801] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.876116] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801760fdf8 [ 43.877431] FS: 00007f680f0b6900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.878895] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.879970] CR2: 00007f680f5a8580 CR3: 000000000d56c000 CR4: 0000000000350ef0 [ 43.881283] Call Trace: [ 43.881751] [ 43.882221] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.883136] ? __create_object+0x59/0x80 [ 43.883883] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.884872] __vmalloc_noprof+0x59/0x60 [ 43.885634] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.886517] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.887457] bpf_prog_alloc+0x39/0x200 [ 43.888206] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.889158] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.890033] do_seccomp+0x349/0x25e0 [ 43.890758] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.891663] ? __pfx_do_seccomp+0x10/0x10 [ 43.892463] ? find_held_lock+0x2b/0x80 [ 43.893236] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.894198] ? static_key_count+0x60/0x80 [ 43.894957] prctl_set_seccomp+0x4e/0x70 [ 43.895738] __do_sys_prctl+0xe6c/0x1d70 [ 43.896523] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.897417] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.898418] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.899420] ? irqentry_exit+0xf3/0x650 [ 43.900205] do_syscall_64+0xbf/0x430 [ 43.900933] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.901913] RIP: 0033:0x7f680f5a85cd [ 43.902648] 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 [ 43.905941] RSP: 002b:00007ffe55f6a4b0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.907346] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f680f5a85cd [ 43.908674] RDX: 0000562852687e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.909982] RBP: 00007ffe55f6a510 R08: 0000000000000000 R09: 00007ffe55f69bb0 [ 43.911281] R10: 0000000000000000 R11: 0000000000000246 R12: 000056285ed6c2b0 [ 43.912599] R13: 00007ffe55f6a940 R14: 000056285ed6ed20 R15: 000056285ed808d0 [ 43.913933] [ 43.914413] irq event stamp: 1887 [ 43.915026] hardirqs last enabled at (1895): [] __up_console_sem+0x78/0x80 [ 43.916578] hardirqs last disabled at (1904): [] __up_console_sem+0x5d/0x80 [ 43.918141] softirqs last enabled at (1864): [] handle_softirqs+0x50c/0x770 [ 43.919711] softirqs last disabled at (1859): [] __irq_exit_rcu+0xc4/0x100 [ 43.921249] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:1569' (ECDSA) to the list of known hosts. 2025/11/17 08:54:19 fuzzer started 2025/11/17 08:54:20 dialing manager at localhost:37895 2025/11/17 08:54:20 checking machine... 2025/11/17 08:54:20 checking revisions... [ 44.819791] kmemleak: Automatic memory scanning thread ended 2025/11/17 08:54:20 testing simple program... [ 44.911671] cgroup: Unknown subsys name 'net' [ 44.967541] cgroup: Unknown subsys name 'cpuset' [ 44.977901] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 08:54:19 Registers: info registers vcpu 0 RAX=ffff88801a21d340 RBX=0000000000000000 RCX=0000000000000001 RDX=0000000000000000 RSI=ffffffff8135e4bd RDI=fffffbfff0bc3ffc RBP=ffffffff85e1ffe0 RSP=ffff88806ce08978 R8 =0000000000000000 R9 =0000000000000000 R10=000000000003c9ed R11=000000000009a3ce R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=ffff88806ce08a60 RIP=ffffffff81529327 RFL=00000246 [---Z-P-] 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 00007f5b3036d900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000562df1c59318 CR3=000000000e415000 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=ff0000000000ffff0000000000ff0000 XMM02=ff000000000000ff0000000000ff0000 XMM03=66207463656e6e6f6373696420646576 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=00000000000000000000000000000000 XMM08=000a0d732a2e25006c61746166003367 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=08a3926a3c8df71e RBX=0000000000000000 RCX=fffffffffffffff9 RDX=1702f4334a567f0c RSI=000055d20c3b5fc0 RDI=00007ffdd09d30f0 RBP=000055d20c3b6040 RSP=00007ffdd09d2f38 R8 =52c6e8a71ac823d3 R9 =451fd1ea32e0d8a5 R10=d8bbac684ee39d2e R11=b87fd0b41d277059 R12=58351d487d2b2bf8 R13=d82d4003bd55b8a2 R14=71d1779553b6580e R15=0648c893b45bc0e0 RIP=00007f05e32b3e4d RFL=00000286 [--S--P-] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f05e2a59900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055d20c3b6318 CR3=000000000d752000 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=0000000000000000000055d20c3b5f40 XMM02=0000000000000000000055d20c3b0b90 XMM03=0000000000000000fffffffffffffe80 XMM04=012ca98888c1e710dce3554ca4114ca1 XMM05=d03ab67866a61ffece26778e0ba6b5b9 XMM06=132f98bfe14ad9250e941f20b72089ee XMM07=79d4c0eca2869575c6043d5f8908e54b XMM08=d886248bcb4d4579806d752c8dbafc7e XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000